L.Pleistocene Acadiella U.Triassic A. Psalidodon U.Triassic Acaenasuchus U.Triassic A

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Genus/Species Skull Height Length Weight Stage Ablepharus L.Pleistocene A. borealis 15 cm? L.Pleistocene Acadiella U.Triassic A. psalidodon U.Triassic Acaenasuchus U.Triassic A. geoffroyi Carnian Acanthodactylus U.Pliocene-Recent cf. A. 1 cm? U.Pliocene Acanthotoposaurus see Youngina U.Permian A. bremneri see Youngina capensis U.Permian Acerodontosaurus 30 cm? U.Permian Acerosodontosaurus see Acerodontosaurus? Aciprion 3 cm M-U.Oligocene A. formosum 3 cm Chadronian-Orellan A. majus see Aciprion formosum Orellan A. sp. U.Oligocene A. sp. Orellan A. sp. Chadronian Acleisterorhinus see Acleistorhinus Acleistorhinus L.Permian A. pteroticus(pteronicus) Leonardian Acompsosaurus U.Triassic A. wingatensis U.Triassic Acrodenta U.Triassic A. irerhi U.Triassic Acrosaurus see Pleurosaurus A. frischmanni U.Jurassic Acteosaurus 41 cm M.Cretaceous A. crassicostatus M.Cretaceous A. tommasinii Adamisaurus U.Cretaceous A. magnidentatus 4.3 cm U.Cretaceous Adaphosaurus see Edaphosaurus Adarnisaurus Adelosaurus U.Permian A. huxleyi U.Permian Adriosaurus see Acteosaurus A. suessi Cenomanian-Turonian Aegirosaurus U.Jurassic A. leptospondylus U.Jurassic Aenigmosaurus U.Permian-L.Triassic A. grallator U.Permian-L.Triassic Aerosaurus 10 cm 76 cm L-U.Permian A. greenleeorum Wolfcampian A. wellesi 10 cm? 76 cm? L-U.Permian Aetosauroides 1.5 m U.Triassic A. scagliai(scagliari) see Stagonolepis robertsoni U.Triassic Aetosaurus L-U.Triassic A. arcuatus(arctuatus) L-U.Triassic A. crassicauda 1.5 m Triassic A. ferratus 90 cm Norian A. sp. Carnian Agama M.Paleocene-U.Miocene A. galliae U.Eocene-L.Oligocene A. sinensis M.Paleocene A. sp. U.Miocene Aigialosaurus 1.8 m M.Cretaceous A. buccichi(bucchichi) 18 cm 1.8 m M.Cretaceous A. dalmaticus 11 cm? 1 m? M.Cretaceous Aldzadasaurus see Alzadasaurus A. columbiensis see Alzadasaurus columbiensis Alethesaurus see Chamops A. quadratus see Chamops segnis Maastrichtian Altanteius U.Cretaceous A. facilis U.Cretaceous Alzadasaurus 9.2 m L.Cretaceous A. colombiensis see Callawayasaurus A. columbiensis see Callawayasaurus A. kansasensis see Styxosaurus snowi A. pembertoni see Styxosaurus snowi A. riggsi see Thalassomedon hanningtoni A. serpentinus A. tropicus L.Cretaceous Amblyolacerta M.Miocene A. dolnicensis Orleanian Ameiva U.Pleistocene-Recent A. auberi A. a. thoracica 18 cm? Rancholabrean-Recent A. chrysolaema living Jungle Runner Rancholabrean-Recent A. exsul 30 cm? Rancholabrean-Recent A. griswoldi Rancholabrean-Recent A. sp. 2.5 cm? Pleistocene A. taeniura living Jungle Runner Rancholabrean-Recent Amphekepubis 9.2 m U.Cretaceous A. johnsoni 9.2 m Santonian Amphibolurus Pleistocene A. sp. Pleistocene Amphorosteus U.Cretaceous A. brumbyi indeterminate material U.Cretaceous Anarosaurus M.Triassic A. heterodontus 5 cm? Anisian A. multidentatus see Cymatosaurus multidentatus A. pumilio(pumilis) 7.6 cm? Anisian Anchaosaurus U.Cretaceous A. gilmorei U.Cretaceous Anchaurosaurus U.Cretaceous A. gilmorei Campanian Ancistrodon see Ankistrodon Ancylocentrum see Prognathodon Angelosaurus U.Permian A. dolani U.Permian A. greeni U.Permian A. romeri U.Permian Angingosaurus see Anquingosaurus Angistorhinopsis see Rutiodon A. ruetimeyeri see Rutiodon ruetimeyeri Angistorhinus 9.8 m? U.Triassic A. aeolamnis 68 cm? Carnian A. alticephalus 122 cm 9.8 m? Carnian A. gracilis Carnian A. grandis 70 cm? Carnian A. maximus Carnian A. megalodon 124 cm 9.8 cm? Carnian A. talainti Carnian Angolasaurus U.Cretaceous A. bocagei see Platecarpus bocagei Turonian Anguingosaurus see Anquingosaurus Anhuisaurus preoccupied, see Chensaurus Anolis L.Miocene-Recent A. dominicanus L.Miocene-Pleistocene Angolosaurus see Angolasaurus A. bocagei see Angolasaurus bocagei Anguinosaurus see Pleurosaurus Anguis Oligocene-Pleistocene A. acutidentatus nomen dubium M.Miocene A. bibronianus see Ophisaurus bibronianus U.Miocene A. cf. Fragilis U.Pliocene-M.Pleistocene A. fragilis living Slow Worm Irvingtonian-Recent A. laurillardi see Ophisaurus laurillardi U.Miocene A. lemanensis nomen dubium U.Oligocene A. polgardiensis see Ophisaurus pannonicus A. robustus L.Miocene A. sp. L.Oligocene A. stammeri U.Pleistocene Anguisaurus see Pleurosaurus Anhuisaurus L.Triassic A. chaoxianensis see Chaohusaurus geishanensis Spathian A. faciles see Chaohusaurus geishanensis Spathian A. huainanensis indeterminate material Paleocene Anisimova? see Microcnemus sp. Anisodontosaurus L.Triassic A. greeri L.Triassic Ankistrodon see Chasmatosaurus L.Triassic A. indicus see Chasmatosaurus indicus L.Triassic Ankylosphenodon M.Cretaceous A. pachyostosus Albian Anniella U.Miocene-Recent A. sp. U.Miocene Anningia U.Permian A. megalops nomen vanum U.Permian Anolis U.Oligocene-Recent A. angusticeps living 8 cm? Rancholabrean-Recent A. bimaculatus A. b. leachii 24 cm? U.Pleistocene-Recent A. carolinensis living Green Anole Irvingtonian-Recent A. cf. Cristatellus 14 cm? Holocene A. chlorocyanus living 12 cm? Rancholabrean-Recent A. coelestinus Holocene A. cuvieri 3.7 cm 40 cm? Rancholabrean A. cybotes living 15 cm? Rancholabrean-Recent A. distichus 10 cm? Rancholabrean-Recent A. dominicanus 9 mm 14 cm? L.Miocene A. electrum 5 mm 6 cm? U.Oligocene-M.Miocene A. equestris living Holocene-Recent A. evermanni living 10 cm? Rancholabrean-Recent A. krugi living Rancholabrean-Recent A. leachii see Anolis bimaculatus leachii A. lucius Holocene A. occultus living 9 cm? Rancholabrean-Recent A. ricordi 38 cm? Rancholabrean-Holocene A. roquet living Holocene-Recent A. sagrei living 15 cm? Rancholabrean-Recent A. sp. L-U.Miocene A. sp. Pleistocene-Holocene A. spp. Rancholabrean-Holocene A. wattsii A. w. foresti see Anolis spp. Holocene Anomocephalus A. africanus Anomoiodon L.Triassic A. liliensterni L.Triassic Anomosaurus see Placodus A. no species given see Placodus gigas A. strunzi see Placodus gigas Anquingosaurus M.Paleocene A. brevicephalus M.Paleocene Anshunsaurus U.Triassic A. huangguoshuensis 35 cm? 3 m Ladinian-Carnian Anthodon 1 m U.Permian A. chlynoviensis see Deltavjatia vjatkensis Tatarian A. gregoryi 38 cm U.Permian A. haughtoni indeterminate material A. minusculus U.Permian A. nesemanni 23 cm U.Permian A. rossicus see Deltavjatia vjatkensis Tatarian A. serrarius see Deltavjatia vjatkensis Tatarian A. sp. U.Permian Anthracodromeus 16 cm? M.Pennsylvanian A. longipes Westphalian A. sp. Westphalian Apatodontosaurus see Ophthalmosaurus U.Jurassic Aphanizocnemus U.Cretaceous A. libanensis U.Cretaceous Aphelosaurus U.Permian A. lutevensis U.Permian Aphrosaurus 10.2 m U.Cretaceous A. furlongi see Morenosaurus stocki Maastrichtian Apodosauriscus L.Eocene A. minutus Wasatchian Apractocleides see Apractocleidus A. aldingeri see Apractocleidus Apractocleidus see Cryptocleidus A. aldingeri see Cryptocleidus aldingeri A. teretipes see Cryptocleidus eurymerus Apsisaurus L.Permian A. witteri Aptychodon U.Cretaceous Araeosaurus U.Cretaceous Araeoscelis 4.4 cm 60 cm L.Permian A. casei Wolfcampian A. gracilis 9 cm? Wolfcampian Archaeobelus see Clepsydrops L.Permian A. vellicatus see Clepsydrops collettii L.Permian Archaeobolus see Archaeobelus L.Permian A. vellicatus see Archaeobelus vellicatus L.Permian Archaeonectrus 50 cm 3.8 m L.Jurassic A. rostratus 50 cm 3.8 m Sinemurian Archaeothyris 9 cm 10 cm 50 cm M.Pennsylvanian A. florensis M.Pennsylvanian A. sp. Westphalian Archaeovenator U.Pennsylvanian A. hamiltonensis 3 cm? 34 cm? Stephanian Archerpeton see Amphibia Index L.Pennsylvanian A. anthracos Westphalian Archosaurus 28 cm 1.5 m U.Permian A. rossicus 28 cm Tatarian Archovaranus M.Jurassic A. klameliensis M.Jurassic Ardeosaurus 20 cm U.Jurassic A. brevipes 16 cm? U.Jurassic A. cf. Digitalellus U.Jurassic A. digitalellus 16 cm? U.Jurassic A. schroederi see Eichstaettisaurus schroederi Arganarhinus U.Triassic A. magnoculus 27.5 cm U.Triassic Argentinasuchus see Argentinosuchus? U.Triassic Argentinosuchus 15 cm 91 cm U.Triassic A. bonapartei see Stagonolepis robertsoni Carnian Aristelliger U.Pleistocene-Holocene A. lar Rancholabrean-Holocene A. praesignis Rancholabrean-Holocene A. sp. Rancholabrean A. titan see Aristelliger lar Rancholabrean-Holocene Aristodesmus see Sclerosaurus A. ruetimeyeri(rutimeyeri) see Sclerosaurus armatus Triassic Aristonectes 73.5 cm 8.3 m U.Cretaceous A. parvidens 73.5 cm 8.3 m Maastrichtian A. sp. see Aristonectes parvidens Maastrichtian Arizonasaurus L-M.Triassic A. babbitti Anisian Armandisaurus L.Miocene A. explorator Burdigalian-Hemphillian Arpadosaurus L.Eocene A. gazinorum 7 cm? Wasatchian Arretosaurus U.Eocene A. ornatus 8.5 cm? U.Eocene-Oligocene Arribasaurus see Ophiacodon A. navajovicus see Ophiacodon navajovicus L.Permian Arribasuchus U.Triassic A. buceros Rhaetian Asiacephalosaurus see Clevosaurus L.Jurassic A. wangi see Clevosaurus wangi L.Jurassic Askeptosaurus 20 cm 2 m M.Triassic A. italicus 2 m M.Triassic Atokasaurus L.Cretaceous A. metarsiodon Aptian-Albian Attenborosaurus 43 cm 5.1 m L.Jurassic A. conybeari(conybeare) 43 cm 5.1 m Sinemurian Augustasaurus M.Triassic A. hagdorni 37 cm 4 m? Anisian Axonoscincus L.Eocene A. sabatieri 1.5 cm? Ypresian Azendhosaurus U.Triassic A. laaroussii Carnian Baeotherates L.Permian B. fortsillensis L.Permian Bainguis U.Cretaceous B. parvus 2.2 cm Campanian B. sp. U.Cretaceous Baldwinonus L.Permian B. dunkardensis L.Permian B. trux L.Permian Baptanodon 4 m U.Jurassic B. discus U.Jurassic B. marshi B. natans U.Jurassic B. reedi B. robustus Baptosaurus U.Cretaceous B. fraternus see Plioplatecarpus depressus B. onchognathus see Halisaurus onchognathus B. platyspondylus see Halisaurus platyspondylus Barasaurus U.Permian B. besairiei 2.5 cm? U.Permian Barista Pleistocene B. cf. Imbricata Pleistocene B. imbricata Barungoia U.Cretaceous B. vasta 2.25 cm U.Cretaceous Baseodon see Mosasaurus Bashkyoleter U.Permian B. bashkyricus U.Permian B. mesensis U.Permian Basicranodon L.Permian B. fortsillensis L.Permian Basileosaurus see Sclerosaurus L.Triassic Basiliscus Holocene B. vittatus Holocene Basutodon Bathyglyptus see Dimetrodon B. theodori see Dimetrodon grandis Bathygnathus L.Permian B. borealis L.Permian Bathyspondylus 2.15 m U.Jurassic B. swindoniensis 2.15 m Kimmeridgian Batrachiosaurus see Mosasaurus Batrachosaurus see Heleosuchus B. griesbachi see Heleosuchus griesbachi Batrachotherium see Mosasaurus Batrachotomus M.Triassic B. kupferzellensis 6.5 cm? 39 cm? Anisian Bavarisaurus U.Jurassic B. cf. Macrodactylus U.Jurassic B. macrodactylus 16 cm? U.Jurassic Bayloria see Captorhinus B. morei immature specimen of Captorhinus aguti Becklesisaurus see Becklesius B. brodiei probably Becklesius hoffstetteri B. hoffstetteri see Becklesius hoffstetteri B. scincoides see Paramacellodus oweni Becklesius U.Jurassic B. cataphractus Barremian B. hoffstetteri 2.3 cm? Kimmeridgian Belebey U.Permian B. maximi probably B. vegrandis B. vegrandis 3.3 cm? Kazanian Belodon 3 m U.Triassic B. buceros see Arribasuchus buceros U.Triassic B. ingens U.Triassic B. kapffi see Nicrosaurus kapffi U.Triassic B. kapfi see Phytosaurus kapfi U.Triassic B. planirostris see Mystriosuchus planirostris B. plieningeri see Nicrosaurus meyeri U.Triassic B. scolopax see Rutiodon scolopax U.Triassic B. superciliosus see Nicrosaurus superciliosus U.Triassic B. validus see Rutiodon validus or Nicrosaurus validus Besanosaurus M.Triassic B. leptorynchus Anisian-Ladinian Bharatagama L-M.Jurassic B. rebbanensis L-M.Jurassic Bicuspidon M.Cretaceous B. numerosus Albian-Cenomanian Bishanopliosaurus 4.1 m L.Jurassic B. youngi 4.1 m Toarcian Blanus U.Pliocene-Recent B. sp. 9 mm U.Pliocene Blezingeria see Cymbospondylus? B. ichthyospondyla M.Triassic Blomia see Blomosuchus L.Triassic B. georgii see Blomosuchus georgii Induan Blomosaurus U.Permian-L.Triassic B. ivachnenkoi Induan Blomosuchus L.Triassic B. georgii L.Triassic B. sp. L.Triassic Bolosaurus L.Permian B. grandis 5 cm? Leonardian B. major Leonardian B. rapidens Permian B. sp. Wolfcampian B. striatus Wolfcampian B. traati Asselian Boreopricea 30 cm L.Triassic B. funerea 30 cm Olenekian Bothriagenys M-U.Cretaceous B. mysterion Albian-Cenomanian Brachauchenius 1.5 m 11.2 m M.Cretaceous B. lucasi 1.5 m 11.2 m Cenomanian-Turonian Brachauchenus see Brachauchenius Brachycnemius see Edaphosaurus B. dolichomerus see Edaphosaurus pogonias L.Permian Brachypareia see Bradysaurus B. rogersi see Bradysaurus rogersi U.Permian B. watsoni see Bradysaurus watsoni U.Permian Brachypterygius M.Triassic-L.Jurassic B. extremus Portlandian B. mordax B. zhuravlevi see Otschevia zhuravlevi Tithonian Brachyrhinodon 2.3 cm 15 cm U.Triassic B. sp. B. taylori U.Triassic Brachysaurana see Prognathodon Brachysaurus see Prognathodon U.Cretaceous B. overtoni see Prognathodon overtoni U.Cretaceous Brachysuchus see Angistorhinus U.Triassic B. megalodon see Angistorhinus megalodon Carnian Bradypareia see Bradysaurus Bradysaurus 3 m L-M.Permian B. acutirostris M.Permian B. angustus(angusta) 53 cm? M.Permian B. baini 42 cm 3 m L-M.Permian B. bombidens 40 cm L.Permian B. broomi L.Permian B. rogersi 42 cm U.Permian B. seeleyi 44 cm Permian B. serridens 2.5 m Permian B. sp. Permian B. strubeni see Embrithosaurus strubeni M.Permian B. vanderbyli 51 cm Permian B. watsoni 48 cm U.Permian B. whaitsi 50 cm Permian Bradysuchus see Bradysaurus M.Permian B. whaitsi se Bradysaurus whaitsi Brancasaurus 27 cm 3.7 m L.Cretaceous B. brancai 27 cm 3.7 m Berriasian Brasileosaurus U.Cretaceous B. pachecoi U.Cretaceous B. sanpauloensis U.Cretaceous Brazilosaurus probably Brasileosaurus B. sanpauloensis probably Brasileosaurus sanpauloensis Brimosaurus U.Cretaceous B. grandis Maastrichtian Broilisaurus see Eichstaettisaurus B. schroederi see Eichstaettisaurus schroederi Bromsgroveia M-U.Triassic B. walkeri Ladinian Brookesia Holocene Broomia U.Permian B. perplexa 3 cm? U.Permian Brouffia M.Pennsylvanian Browniella see Euparkeria L.Triassic B. africana see Euparkeria capensis L.Triassic Brydasuchus see Bradysaurus Buckantaus U.Cretaceous Burtensia L.Triassic B. burtensis Olenekian Cadaliosaurus see Kadaliosaurus Cadurciguana U.Eocene Cadurcogekko U.Eocene-L.Oligocene C. piveteaui nomen dubium U.Eocene-L.Oligocene Cadurcosaurus Eocene C. sauvagei Californosaurus U.Triassic C. perrini 3 m Carnian Callawayasaurus 40 cm 8 m M.Cretaceous C. colombiensis 40 cm 8 m Aptian Callawayosaurus see Callawayasaurus Callibrachion see Haptodus C. gaudryi see Haptodus baylei L.Permian Callisaurus Pliocene-Pleistocene C. sp. Blancan-Irvingtonian Callopistes U.Pliocene C. bicuspidatus U.Blancan Calyptosuchus 3 m U.Triassic C. wellesi see Stagonolepis wellesi Carnian Calyptosusuchus see Calyptosuchus C. wellesi see Calyptosuchus wellesi Candelaria M.Triassic C. barbouri 5 cm? M.Triassic Capitolacerta see Geiseltaliellus M.Eocene C. dubia see Geiseltaliellus longicaudus Capthprihinus probably Captorhinus Captorhinikos L.Permian C. chozaensis 5 cm? L.Permian C. parvus C. valensis 15 cm? L.Permian Captorhinioides L.Permian C. valensis L.Permian Captorhinus 8.4 cm 76 cm L.Permian C. aduncus see Captorhinus aguti C. aguti(agouti) 38 cm Leonardian C. angusticeps see Captorhinus aguti Leonardian C. gregoryi Leonardian C. illinoiensis nomen dubium, see Clepsydrops vinslovii? C. incisivus see Captorhinus aguti Leonardian C. isolomus see Captorhinus aguti C. laticeps probably Captorhinus aguti Leonardian C. ordinatus nomen dubium C. sp. Leonardian Carinodens U.Cretaceous C. belgicus 3.7 m Campanian-Maastrichtian C. fraasi Campanian-Maastrichtian Carlesia see Dicarlesia Carsosaurus 1.5 m M-U.Cretaceous C. marchesetti 1.5 m Cenomanian-Turonian Carusia U.Cretaceous C. intermedia 3.2 cm U.Cretaceous Casea 11 cm 122 cm L.Permian C. broili L.Permian C. halselli L.Permian C. nicholsi L.Permian C. rutena L.Permian Caseoides U.Permian C. sanageloensis U.Permian Caseopsis U.Permian C. agilis U.Permian Casineria C. kiddi Caypullisaurus U.Jurassic C. bonapartei Tithonian Celestus U.Pleistocene-Holocene C. costatus 26 cm? Rancholabrean-Recent C. sp. Rancholabrean-Recent C. sp. 50 cm? Rancholabrean Centemodon see Nicrosaurus L.Triassic C. sulcatus L.Triassic Cephalastron see Scaphonyx C. gondwanicum see Scaphonyx fischeri Cephalatronius see Scaphonyx C. angustispinatus see Scaphonyx fischeri Cephalerpeton M.Pennsylvanian C. aff. Ventriarmatum Westphalian C. longipes indeterminate material C. ventriarmatum 2.7 cm? 25 cm? Westphalian Cephalonia see Scaphonyx C. lotziana see Scaphonyx fischeri Ceraunosaurus M.Cretaceous C. brownorum see Trinacromerum bentonianum Ceresiosaurus 4 m M.Triassic C. calcagnii see Lariosaurus calcagnii Anisian-Ladinian C. lanzi see Lariosaurus lanzi Ladinian Cerritosaurus M.Triassic C. binsfeldi 9 cm Ladinian Cetarthrosaurus U.Cretaceous C. walkeri U.Cretaceous Chacaicosaurus M.Jurassic C. cayi Bajocian Chacaiosaurus see Chacaicosaurus Chalcides U.Pliocene-Recent C. sp. U.Pliocene C. sp. Pleistocene Chaliminia U.Triassic C. musteloides U.Triassic Chalischevia M.Triassic C. cothurnata 70 cm? Ladinian Chamaleo M.Miocene-Recent C. caroliquarti M.Miocene C. intermedius 2 cm? U.Miocene C. pristinus see Tinosaurus pristinus Chamaleognathus U.Cretaceous C. iordanskyi U.Cretaceous Chamasaurus L.Permian C. dolichognathus 2 cm? L.Permian Chamatosuchus see Chasmatosuchus C. rossicus see Chasmatosuchus rossicus Chamops 5 cm? U.Cretaceous C. denticulatus Maastrichtian C. segnis Campanian-Maastrichtian C. sp. Maastrichtian C. sp. Campanian Champsosaurus 34 cm 2.5 m? U.Cretaceous-Eocene C. albertensis U.Cretaceous C. ambulator Maastrichtian C. annectens Campanian C. australis Torrejonian C. brevicollis Campanian C. dakotensis C. dolloi C. gigas 49 cm Tiffanian-Clarkforkian C. laramiensis Maastrichtian C. lemoinei C. lindoei C. natator Campanian C. nator probably C. natator Campanian C. profundus Campanian C. puercensis Torrejonian C. saponensis Torrejonian C. sp. Campanian C. sp. Campanian-Tiffanian C. sp. Paleocene C. sp. Torrejonian C. sp. Torrejonian C. sp. L-U.Paleocene C. sp. Maastrichtian-Torrejonian C. tenuis U.Paleocene C. vaccinsulensis Campanian Chanaresuchus 26 cm 30 cm? 122 cm M.Triassic C. bonapartei 26 cm 30 cm? 122 cm M.Triassic C. sp. 76 cm M.Triassic Changetisaurus M.Jurassic Changisaurus belongs to a turtle U.Jurassic C. microrhinus belongs to a turtle U.Jurassic Changjiangosaurus Paleocene C. huananensis Paleocene Changlosaurus Oligocene C. wutuensis nomen dubium Eocene? Chaohusaurus 1.8 m? L.Triassic C. geishanensis(geishanesis) 71 cm Spathian Chaosaurus see Chaohusaurus Charitodon C. tschudii some consider it a fish, nomen dubium Charitosaurus M.Triassic C. tschudii see Charitodon tschudii Chasmatorsaurus see Chasmatosaurus Chasmatosaurus 46 cm 2.8 m? L.Triassic C. alexandri 24 cm? L.Triassic C. indicus L.Triassic C. rubidgei L.Triassic C. sp. possibly C. vanhoepeni L.Triassic C. ultimus Olenekian C. vanhoepeni 28 cm? L.Triassic C. yuani 38 cm? L.Triassic Chasmatosuchus L.Triassic C. magnus see Jaikosuchus magnus & Tsylmosuchus jakovlevi C. parvus see Microcnemus efremovi Olenekian C. rossicus Olenekian C. sp. see Chasmatosuchus rossicus Olenekian C. vjushkovi see Garjainia prima Olenekian Chasmotosaurus see Chasmatosaurus C. alexandri see Chasmatosaurus alexandri Chatterjeea see Shuvosaurus? U.Triassic C. elegans see Shuvosaurus inexpectatus? Norian Chelyoposaurus see Chelyoposuchus Chelyoposuchus see Henodus U.Triassic C. crassisquamatus Rhaetian Chelyposuchus see Chelyoposuchus U.Triassic C. crassisquamatus Rhaetian Chensaurus L.Triassic C. chaoxianensis see Chaohusaurus geishanensis Spathian C. faciles see Chaohusaurus geishanensis Spathian Cherminothus see Cherminotus Cherminotus 4.8 cm? U.Cretaceous C. longifrons 2 cm Campanian Cherminsaurus U.Cretaceous C. kozlowskii 6.5 cm Campanian Chilenosuchus Chilingosaurus nomen dubium U.Cretaceous C. chingshankouensis actually a fish Chinchenia M.Triassic C. sungi nomen dubium Ladinian Chinleogomphius U.Triassic C. jacobsi Carnian Chlamydosaurus see Clamydosaurus Pleistocene-Recent Chometokadmon U.Cretaceous C. fitzingeri(fiitzingheri) Cenomanian Chompsosaurus see Champsosaurus Chudinoviella see Rhipaeosaurus talonophorus? Cimoliasaurus 8.9 m U.Cretaceous cf. C. magnus Maastrichtian C. andium C. australis C. bernardi see Crymocetus bernardi C. brevior C. cantabrigiensis C. caudalis see Mauisaurus haasti Cretaceous C. durobrivensis C. laramiensis C. leucocephalus L.Cretaceous C. leucospelus see Trinacromerum C. limnophilus C. maccoyi 4 m? Santonian C. magnus Santonian C. nazarowi see Scanisaurus nazarowi Senonian C. planus C. plicatus Oxfordian C. rex see Megalneusaurus rex C. richardsoni C. smithi C. snowii see Styxosaurus snowii C. sp. L.Cretaceous C. valdensis C. vetustus see Discosaurus vetustus Cimoliosaurus see Cimoliasaurus C. richardsoni see Cimoliasaurus richardsoni Cladeiodon see Teratosaurus Claderodon see Teratosaurus Cladyodon see Teratosaurus Clamydosaurus Pleistocene-Recent C. bennetti see Clamydosaurus kingi C. kingi(kingii) Pleistocene-Recent Clarazia M.Triassic C. schinzi M.Triassic Clarencea now considered a protosuchian, see Crocodilian Index C. gracilis now considered a protosuchian, see Crocodilian Index Clarensia C. gracilis see Clarencea gracilis Claudiosaurus 3 cm 60 cm U.Permian C. germaini U.Permian Clepsisaurus probably Clepsysaurus C. leai see Rutiodon leai U.Triassic Clepsydrops 1.3 m? U.Pennsylvanian C. colletti indeterminate material U.Pennsylvanian C. gigas see Dimetrodon gigas C. lateralis nomen nudum C. leptocephalus see Diopeus leptocephalus C. limbatus see Dimetrodon limbatus C. macrospondylus see Dimetrodon macrospondylus C. magnus U.Pennsylvanian C. natalis see Dimetrodon natalis L.Permian C. pedunculatus see Clepsydrops collettii U.Pennsylvanian C. sp. U.Pennsylvanian C. sp. L.Permian C. vinslovii U.Pennsylvanian Clepsysaurus see Rutiodon C. manhattanensis see Rutiodon manhattanensis Norian C. pennsylvanicus(pennsyvanicsee Rutiodon pennsylvanicus Carnian C. veatleianus Carnian Clevosaurus 18 cm M.Triassic-L.Jurassic C. bairdi 1.9 cm Hettangian C. hudsoni 3 cm 24 cm? Rhaetian C. mcgilli 2.3 cm Hettangian C. minor Rhaetian C. petilus 3.5 cm U.Triassic C. wangi 3 cm Hettangian Clidastes 67 cm 6 m U.Cretaceous C. cinemarium Maastrichtian C. conodon see Mosasaurus conodon C. iguanavus see Mosasaurus Maastrichtian C. intermedius see Platecarpus intermedius C. liodontus 50 cm 4 m Santonian-Campanian C. moorevillensis U.Cretaceous C. planifrons see Platecarpus planifrons C. propython 6 m Campanian C. sp. U.Cretaceous C. sternbergi(sternbergii) see Halisaurus sternbergi C. tortor U.Cretaceous C. velox U.Cretaceous C. vymanii U.Cretaceous Cnemidophorus L.Miocene-Recent C. bilobatus U.Pliocene C. cf. Gularis U.Pleistocene-Holocene C. cf. Sacki Rancholabrean C. cf. Sexlineatus L.Pliocene-U.Pleistocene C. cf. Tigris Rancholabrean-Holocene C. sexlineatus living six-lined Racerunner Rancholabrean-Recent C. sp. Arikareean-Holocene C. tigris living Western Whiptail Rancholabrean-Recent Cnephasaurus U.Cretaceous Coahomasuchus U.Triassic C. kahleorum Carnian Coartaredens M.Triassic C. isaaci Anisian Coburgosuchus U.Triassic C. goeckeli U.Triassic Coelodontognathus U.Permian-L.Triassic C. donensis see Coelodontognathus ricovi C. ricovi 6 cm Olenekian Coelostegus M.Pennsylvanian Coelurosauravus 2.8 cm 46 cm U.Permian C. elivensis U.Permian C. jaekeli possibly Weigeltisaurus jaekeli? Coleonyx U.Pleistocene-Recent C. variegatus living Western Banded Gecko Rancholabrean-Recent Coletta L.Triassic C. seca 6.5 cm? L.Triassic Colobomycter L.Permian C. pholeter(proleter) L.Permian Colognathus U.Triassic C. obscurus(obsurus) U.Triassic Colpodontosaurus U.Cretaceous C. cracens Maastrichtian C. sp. Maastrichtian Colubrifer L.Triassic C. campi L.Triassic Colymbosaurus 48 cm? 6.8 m U.Jurassic C. brachistospondylus C. carinatus C. dutertrei C. sklerodirus(sclerodirus) indeterminate material Tithonian C. sp. C. trochanterius 48 cm? 6.8 m Kimmeridgian-Tithonian Compressidens U.Cretaceous C. fraasi Maastrichtian Compsosaurus see Nicrosaurus U.Triassic Conchiosaurus see Nothosaurus C. clavatus see Nothosaurus clavatus Coniasaurus M-U.Cretaceous C. cf. Crassidens C. crassidens Cenomanian C. gracilodens Cenomanian Conicodontosaurus U.Jurassic-U.Cretaceous C. djadochtaensis 8 mm? U.Cretaceous C. kanhsienensis U.Jurassic-L.Cretaceous Contectopalatus see Mixosaurus C. atavus see Mixosaurus atavus M.Triassic Contogenys U.Cretaceous-M.Paleocene cf. C. sp. Torrejonian C. cf. Sloani Torrejonian C. sloani Maastrichtian-Torrejonian C. sp. Campanian C. sp. Torrejonian Contritosaurus L.Triassic C. convector Induan C. simus 2 cm Induan Corosaurus L.Triassic C. alcovensis Scythian Corytophanes Pleistocene Cosesaurus 20 cm M.Triassic C. aviceps 20 cm M.Triassic Costasaurus U.Cretaceous C. rusconi nomen dubium L.Cretaceous Cotylorhynchus 20 cm 4 m 282 kg L-M.Permian C. bransoni L-M.Permian C. hancocki L-M.Permian C. romeri 20 cm 30 cm? 4 m L-M.Permian Cotylorphynchus probably Cotylorhynchus Creberidentat M.Eocene Cremastosaurus L.Oligocene C. carinicollis 10 cm Chadronian-Orellan C. rhambastes probably C. carinicollis Chadronian-Orellan C. unipedalis see Platyrhachis unipedalis Orellan Crematosaurus see Cremastosaurus Crenelosaurus possibly Ticinosuchus L.Triassic C. nigrosilvanus possibly Ticinosuchus ferox, nomen dubium Cretagama U.Cretaceous C. bialynickae Crotaphytus L.Oligocene-Recent C. collaris 2.5 cm Rancholabrean-Holocene C. oligocenicus see Holmanisaurus? Chadronian C. sp. Blancan-Holocene C. wislizeni Rancholabrean-Holocene Crurosaurus see Placodus C. problematicus indeterminate material Anisian Crymocetus U.Cretaceous? C. barnardi see Crymocetus bernardi C. bernardi Senonian Cryptocleidus see Cryptoclidus C. aldingeri C. beaugrandi C. caroli C. cuervoi C. c. caroli see Vinialesaurus caroli Oxfordian C. c. questadi C. eurymerus see Cryptoclidus eurymerus C. oxoniensis see Cryptoclidus oxoniensis C. richardsoni C. simbirskensis C. vignalensis Cryptoclidus 60 cm? 8 m? M-U.Jurassic C. cf. Sp. Jurassic C. eurymerus 24 cm 4 m Callovian C. oxoniensis see Cryptoclidus eurymerus Callovian C. platymerus see Cryptoclidus eurymerus C. richardsoni C. simbirskensis indeterminate material Callovian-Oxfordian Crythiosaurus actually a snake, see Snake Index C. mongoliensis actually a snake, see Snake Index Cteniogelys C. antiquus C. sp. Cteniogemys see Cteniogenys Cteniogenys 15 cm M-U.Jurassic C. antiquus Bathonian-Tithonian C. reedi see Cteniogenys antiquus C. sp. Tithonian Ctenorhachis L.Permian C. jacksoni 45 cm? 1.9 m? Wolfcampian-Leonardian Ctenosaura Recent C. pectinata C. premaxillaris Holocene C. similis Holocene Ctenosauriscus L.Triassic C. koeneni 2.5 m? Scythian Ctenosaurus L.Triassic C. koeneni 2 m? Scythian C. pectinata possibly Ctenosaura pectinata C. rugosus Permian Ctenospondylus L.Permian C. casei Wolfcampian C. ninevehensis L.Permian Cubicodon see Nicrosaurus Cutleria see Haptodus C. wilmarthi see Haptodus baylei L.Permian Cuttysarkus an Amphibian, see that Index U.Cretaceous C. mcnallyi an Amphibian, see that Index U.Cretaceous Cuyosuchus U.Triassic C. huenei Norian Cyamodus 2 m M.Triassic C. cfr. Rostratus see Cyamodus rostratus C. hildegardis Anisian-Ladinian C. khunschnyderi see Cyamodus kuhnschnyderi C. kuhn-schnyderi see Cyamodus kuhnschnyderi C. kuhnschnyderi Ladinian C. laticeps see Cyamodus muensteri Anisian C. muensteri(munsteri) Anisian C. rostratus 11.7cm? Anisian-Ladinian C. tarnowitzensis nomen dubium Anisian Cyclura U.Pleistocene-Recent C. mattea see Cyclura pinguis Holocene C. pinguis 112 cm? Rancholabrean-Recent C. portoricensis see Cyclura pinguis Holocene C. sp. 10 cm 92 cm? Rancholabrean Cylindricodon see Nicrosaurus Cymatosaurus M.Triassic C. erythreus see Cymatosaurus sp. Anisian C. fridericianus 20 cm Anisian C. gracilis see Cymatosaurus latifrons C. latifrons 15 cm Anisian C. latissimus see Germanosaurus latissimus C. minor 12 cm? Anisian C. multidentatus Anisian C. schafferi see Germanosaurus schafferi C. silesiacus see Cymatosaurus latifrons C. sp. Anisian C. stensioeii M.Triassic Cymbospondylus 13.5 m? M.Triassic C. buchseri 68 cm 5.5 m? Anisian-Ladinian C. germanicus M.Triassic C. nevadanus questionable validity M.Triassic C. natans M.Triassic C. parvus 2.8 m? Anisian-Ladinian C. petrinus 110 cm 13.5 m? M.Triassic C. piscous(piscosus) questionable validity C. sp. L.Triassic Cynosphenodon M.Jurassic C. huizachalensis M.Jurassic Cypressaurus L.Oligocene C. hypsodontus 1.5 cm? Chadronian Cyrmocetus U.Cretaceous Cyrtodactylus Recent C. serpensinsula Holocene Dactylosaurus M.Triassic D. gracilis 16.8cm? Anisian D. schesederi D. schroederi see Dactylosaurus gracilis Daedalosaurus 41 cm U.Permian D. jaekeli see Coelurosauravus jaeckeli D. madagascariensis U.Permian Dalinghesaurus U.Jurassic D. longiditus U.Jurassic Darchansaurus U.Cretaceous D. estesi 6.5 cm Campanian Dasygnathoides see Ornithosuchus Dasygnathus see Ornithosuchus U.Triassic D. longidens see Ornithosuchus longidens Carnian Datheosaurus see Haptodus D. macrourus see Haptodus macrourus Davletkulia U.Permian D. gigantea nomen dubium Kazanian Dedaelosaurus see Daedalosaurus D. madagascariensis see Daedalosaurus madagascariensis Deirosaurus see Lariosaurus D. italicus see Lariosaurus balsami Delorhynchus L.Permian D. priscus(pristus) L.Permian Delphinosaurus see Californosaurus U.Triassic D. perrini see Californosaurus perrini Carnian Deltatmema see Ctenosaura? Holocene D. premaxillaris see Ctenosaura premaxillaris Holocene Deltavjatia 3 m U.Permian D. vjatkensis 30 cm 3 m Tatarian Deltavyka U.Permian Dematosuchus see Desmatosuchus Desmatosuchus 4.9 m 1.1 t U.Triassic D. haplocerus(haploceras) 40 cm? 4.9 m 1.1 t Carnian D. sp. Carnian D. sp. U.Triassic D. spurensis see Desmatosuchus haplocerus U.Triassic Diacium L.Oligocene D. quinquepedale(quinquepedalis) 1.8 m? Orellan D. sesquipedale see Diacium quinquepedale D. unipedale(unipedalis) see Platyrhachis unipedalis Diadectes see Amphibia Index Dianosaurus see Clevosaurus L.Jurassic D. petilus see Clevosaurus petilus L.Jurassic Dianzhongia L.Jurassic D. longirostrata L.Jurassic Diasemosaurus L.Miocene D. occidentalis nomen dubium Arikareean Dibolosodon L.Miocene D. typicus Santacrucian Dibothrosuchus see Crocodylia Index Dicarlesia U.Cretaceous D. incognita nomen dubium L.Cretaceous Dicothodon M.Cretaceous D. moorensis Turonian Dicrodon U.Pleistocene-Recent D. sp. Rancholabrean Dictybolus Didosaurus Pleistocene D. mauritianus(mauritanas) see Leiolopisma mauritania Pleistocene Dimekodontosaurus U.Jurassic D. madseni U.Jurassic Dimertodon see Dimetrodon Dimetopisaurus M.Eocene D. sp. Bridgerian D. wyomingensis see Xestops vagans? Bridgerian Dimetrodon 4.3 m L.Permian D. angelensis 58 cm 3.85 m? L.Permian D. berea Permian D. biradicatus D. booneorum 218 cm? Wolfcampian D. cf. Booneorum Permian D. cf. Loomisi Permian D. cruciger see Naosaurus cruciger D. dollovianus(dolloviaanus) 40 cm? 1.2 m? 2.6 m? Leonardian D. giganhomogenes 3.2 m L.Permian D. gigas 45.5 cm 3 m Leonardian D. gigashomogenes Leonardian D. gigashomogenis see D. gigashomogenes D. gigashomogenus Leonardian D. grandis 42 cm 1.8 m 3.5 m Leonardian D. inciscivus see Dimetrodon limbatus Wolfcampian D. incisivus 2 m? D. kempi(kempae) indeterminate material Leonardian D. libratus L.Permian D. limbatus(limbatis) 40 cm? 125 cm? 3 m Wolfcampian D. limbratus L.Permian D. longiramus see Secodontosaurus longiramus D. loomisi 28 cm 107 cm 2.6 m Leonardian D. loomsi see Dimetrodon loomisi D. macrospondylus 1.6 m? Wolfcampian D. maximus see Dimetrodon grandis D. milleri 22 cm 67 cm 173 cm Wolfcampian D. natalis 14 cm 112 cm Wolfcampian D. navajovicus see Ophiacodon navajovicus L.Permian D. obtusidens 1.3 m? L.Permian D. occidentalis 1.7 m? L.Permian D. platycentrus see Dimetrodon macrospondylus Leonardian D. rectiformis see Dimetrodon limbatus L.Permian D. semiradicatus see Dimetrodon limbatus L.Permian D. sp. Leonardian D. sp. L.Permian Diopeus see Ophiacodon? Dimetrodon? D. grandis probably Dimetrodon D. leptocephalus see Theropleura retroversa Diphydodontosaurus see Diphydontosaurus D. sp. Diphydontosaurus 3 cm U.Triassic D. avonensis Rhaetian D. avonis Norian-Rhaetian D. sp. Rhaetian Diploglossus U.Pleistocene D. cadurcensis see Placosaurus quercyi D. pleei 30 cm? Rancholabrean-Recent D. sp. 50 cm? Rancholabrean-Recent Diplotomodon U.Cretaceous D. horrificus U.Cretaceous Diposaurus probably Dipsosaurus L.Miocene-Pleistocene Dipsosaurus L.Miocene-Recent D. cf. Dorsalis Arikareean D. dorsalis living Desert Iguana Blancan-Recent D. sp. Blancan-Recent Discosaurus U.Cretaceous D. permianus possibly Discosauriscus L.Permian? D. vetustus U.Cretaceous Ditrichosaurus see Mesosaurus L.Permian Ditrochosaurus see Mesosaurus L.Permian D. capensis see Mesosaurus capensis L.Permian Dolabrosaurus U.Triassic D. aquatilis Dolichobrachium U.Triassic Dolichopareia see Embrithosaurus M.Permian D. angustus(angusta) see Embrithosaurus angustus Dolichorhynchops 1 m 5.2 m U.Cretaceous D. osborni 1 m 5.2 m Campanian D. sp. Dolichosaurus M.Cretaceous D. dalmatinensis M.Cretaceous D. longicollis 2.5 cm 43 cm Cenomanian Doliovertebra M.Triassic D. fritschi nomen dubium Dollosaurus U.Cretaceous D. lutugini 60 cm+ Campanian D. sp. Campanian Dongusia M.Triassic D. colorata nomen dubium Anisian Dongusuchus M.Triassic D. efremovi Anisian Doniceps L.Triassic D. lipovensis 15 cm Olenekian Donyceps see Doniceps D. lipovoensis see Doniceps lipovensis Dopasia D. harti Dormaalisaurus L.Eocene D. girardoti Ypresian D. rossmanni 9 mm? Ypresian D. sp. Ypresian Dorognathus M.Triassic Dorosuchus M.Triassic D. neoetus Anisian Dorsetisaurus U.Jurassic D. hebetidens Portlandian D. purbeckensis 4 cm? Kimmeridgian D. sp. Tithonian Doswellia U.Triassic Dracaena U.Miocene D. colombiana 6 cm? U.Miocene Dracaenosaurus U.Eocene-U.Oligocene D. croizeti 4 cm? U.Oligocene D. sauvagei U.Eocene-L.Oligocene Dracosaurus see Nothosaurus D. bronni(bronnii) see Nothosaurus mirabilis Dravidosaurus U.Cretaceous Drepanodon see Mosasaurus Drepanosaurus 41 cm U.Triassic D. unguicaudatus(ungicaudatus) 41 cm Norian Durotrigia U.Jurassic D. triconodens U.Jurassic Dyoplax U.Triassic D. arenaceus 60 cm? Carnian Dyticonastis U.Oligocene-L.Miocene D. rensbergeri U.Oligocene-L.Miocene Dzhadochtosaurus U.Cretaceous D. giganteus U.Cretaceous Ebrachosaurus U.Triassic E. singularis U.Triassic Ebrachosuchus see Parasuchus E. neukami see Paleorhinus neukami Echinerpeton M.Pennsylvanian E. intermedium M.Pennsylvanian Ectenosaurus 67 cm 6.2 m U.Cretaceous E. clidastoides 67 cm 6.2 m Santonian-Campanian E. sp. Ectocynodon see Captorhinus Permian E. aguti see Captorhinus aguti E. incisivus see Captorhinus aguti E. ordinatus Permian Edaphosaurus 15 cm 1.4 m? 3.4 m U.Pennsylvanian-L.Permian E. boanerges 2.5 m? 90 kg Wolfcampian E. claviger see Edaphosaurus pogonias Leonardian E. colohistion U.Pennsylvanian E. credneri L.Permian E. crucifer probably E. cruciger Wolfcampian E. cruciger 15.7 cm 80 cm? 2.7 m Wolfcampian-Leonardian E. ecordi see Xyrospondylus ecordi U.Pennsylvanian E. microdus see Edaphosaurus cruciger Wolfcampian E. minuta nomen nudum, based on fish bones & bone fragments E. mirabilis Stephanian E. novomexicanus 2.4 m? L.Permian E. pogonias 17 cm? 3.25 m Leonardian E. raymondi U.Pennsylvanian E. sp. Wolfcampian Edestosaurus see Clidastes Edgarosaurus L.Cretaceous E. muddi 47.5 cm 3.5 m Albian Egernia L.Oligocene-Recent E. sp. U.Miocene Eichstaettisaurus 1.9 cm 19 cm U.Jurassic E. digitalellus see Ardeosaurus digitalellus U.Jurassic E. schroederi 1.9 cm 19 cm U.Jurassic Eichstattosaurus see Ardeosaurus, probably Eichtaettisaurus Eidolosaurus L.Cretaceous Eifelosaurus L.Triassic E. triadicus L.Triassic Eilenodon U.Jurassic E. robustus U.Jurassic Eilenosaurus U.Jurassic Ekbainacanthus M.Triassic Ekshmer U.Cretaceous E. bissektensis Albian-Coniacian Elachistosuchus U.Triassic E. huenei U.Triassic Elaphrosuchus see Chasmatosaurus E. rubidgei 18 cm? L.Triassic Elasmosaurus 41 cm 14.5 m M-U.Cretaceous E. amalitskii indeterminate material Turonian E. antiquus indeterminate material Hauterivian E. ischiadicus see Alzadasaurus kansasensis E. kurskensis indeterminate material Cenomanian E. marshi see Thalassonomosaurus marshi E. morgani see Libonectes morgani E. nobilis E. orientalis Cretaceous E. orskensis indeterminate material Senonian E. platyurus 14.2 m Campanian E. sachalinensis indeterminate material Senonian E. serdobensis Campanian E. serpentinus see Hydralmosaurus serpentinus E. snowii see Styxosaurus snowii E. sp. Cretaceous E. sp. Campanian E. sternbergi 11 m? Elcabrosaurus see Sphenacodon U.Permian E. baldwini see Sphenacodon ferox U.Permian Elgaria L.Pliocene-Recent E. kingii living Alligator Lizard L.Blancan-Recent Elginia 1.5 m U.Permian E. gordoni U.Permian E. mirabilis U.Permian Elliotsmithia U.Permian E. longiceps U.Permian Elliptonodon U.Cretaceous Elmosaurus see Nothosaurus M.Triassic E. lelmensis see Nothosaurus Ladinian Embaphias U.Cretaceous Embolophorus see Dimetrodon E. dollovianus see Dimetrodon dollovianus E. fritillus L.Permian Embrithosaurus see Bradysaurus? M.Permian E. alexandri 53 cm? E. angustus see Bradysaurus angustus? E. schwarzi 38 cm? Capitanian E. strubeni see Bradysaurus strubeni? Emeroleter U.Permian E. levis U.Permian Empedocles see Amphibia Index Endennasaurus U.Triassic E. acutirostris Norian Energosuchus M.Triassic E. garjainovi(garhainovi) Ladinian Enigmatosaurus a frog, see Amphibia Index U.Eocene Ennatosaurus 46 cm U.Permian E. tecton 46 cm Tatarian Eocaptorhinus 5 cm 60 cm L.Permian E. laticeps L.Permian E. sp. Eodiploglossus L.Eocene E. borealis Wasatchian Eoglyptosaurus L.Eocene cf. E. donohoei Wasatchian E. donohoei 10 cm? Wasatchian Eolacerta M.Eocene cf. E. sp. 1.3 cm M.Eocene E. cf. Robusta E. robusta 6.3 cm 60 cm? Lutetian Eoraetia U.Triassic E. siegerti Rhaetian Eorasaurus U.Permian E. olsoni U.Permian Eosaniwa M.Eocene E. koehni 15 cm? Lutetian Eosuchus see Crocodylia Index E. colletti see Noteosuchus colletti U.Permian Eothyris 6.4 cm 38 cm L.Permian E. parkeyi 6 cm Wolfcampian Eotomistoma M-U.Cretaceous E. multidentata Turonian Eoxanta U.Cretaceous E. lacertifrons U.Cretaceous Epicampodon Triassic Epipolysemia see Costsasaurus E. rusconi see Costasaurus rusconi Episcoposaurus 3.7 m Triassic E. haplocerus see Desmatosuchus haplocerus E. horridus see Typothorax coccinarum Triassic Erdenetesaurus see Erdenetosaurus U.Cretaceous E. robinsonae see Erdenetosaurus robinsonae U.Cretaceous Erdeneteosaurus U.Cretaceous E. robinsonae 5.5 cm? Campanian Eremias M.Miocene E. sp. M.Miocene Eretmosaurus 5.23 m L.Jurassic E. jakowlewi indeterminate material M.Jurassic E. rugosus 5.23 m Sinemurian E. rzasnickii indeterminate material M.Jurassic Erichosaurus L.Miocene E. bombimaxilla nomen dubium Colhuehuapian E. debilis nomen dubium Colhuehuapian E. diminutus nomen dubium Colhuehuapian Eridanosaurus Erpetosuchus 2.15 m U.Triassic E. granti 7 cm 10 cm? 50 cm? Carnian E. kansensis see Eobaphetes kansensis, in Amphibia Index E. sp. Norian Erythrosuchus 1 m 4.9 m? L-U.Triassic E. africanus 1 m 4.6 m Scythian E. magnus see Uralosaurus magnus Anisian E. primus see Garjainia prima E. triplicostata see Garjainia triplicostata Esteriophagus see Estheriophagus Estescincosaurus U.Cretaceous E. cooki Campanian Estesia 2.5 m L.Cretaceous E. mongoliensis 16.5 cm 122 cm Santonian-Campanian Estheriophagus U.Permian E. chatangensis U.Permian Eucritta M.Mississippian E. melanolimnetes M.Mississippian Eudibamus L-U.Permian E. cursoris L-U.Permian Eumatthevia see Mycterosaurus E. bolli see Mycterosaurus longiceps L.Permian Eumeces Oligocene-Recent E. algeriensis 2.3 cm U.Pliocene-U.Pleistocene E. anthracinus material from the Pleistocene of Pennsylvania(US) is a frog E. antiquus Arikareean E. cadurcensis Miocene E. carri U.Blancan-L.Irvingtonian E. cf. Fasciatus L-U.Pleistocene E. cf. Inexpectatus U.Irvingtonian E. fasciatus living Five-lined Skink Rancholabrean-Recent E. gilberti living Gilbert Skink Rancholabrean-Recent E. hixonorum L.Pliocene E. inexpectatus living Five-lined Skink Irvingtonian-Recent E. longirostris Pleistocene E. minimus U.Miocene E. miobsoletus U.Miocene E. multivirgatus living Skink Holocene-Recent E. obsoletus living Great Plains Skink U.Blancan-Recent E. septentrionalis living Prairie Skink Irvingtonian-Recent E. skiltonianus living Western Skink Rancholabrean-Recent E. sp. L-U.Miocene E. sp. Oligocene E. sp. Blancan-Irvingtonian E. sp. Barstovian E. sp. M.Oligocene-U.Pleistocene E. striatulus M-U.Blancan E. tetragrammus Rancholabrean-Recent Eumecoides see Phrynosoma U.Pliocene E. hibbardi see Phrynosoma cornutum U.Pliocene E. mylocoelus see Phrynosoma cornutum U.Pliocene Eumetabolodon 10 cm? L.Triassic E. bathycephalus L.Triassic E. dongshengensis L.Triassic Eunatosaurus see Ennatosaurus E. tecton see Ennatosaurus tecton Eunotosaurus 15 cm? M.Permian E. africanus L.Permian Euparkeria 15 cm 1.5 m? L.Triassic E. capensis 1 m Scythian E. sp. L.Triassic Eupodosaurus see Lariosaurus E. longobardicus see Lariosaurus balsami Euposaurus 9 cm? U.Jurassic E. cirinensis(cerinensis) 9 cm? Kimmeridgian E. lorteti 5 cm? Kimmeridgian E. thiollierei(thiollieri) 6.5 cm Kimmeridgian Eurheloderma U.Eocene-L.Oligocene E. gallicum 5 cm? U.Eocene-L.Oligocene Eurhinosaurus 8 m? L.Jurassic E. huenei 7 m? Toarcian E. longirostris 83 cm 4.5 m? Toarcian Eurycleidus 25 cm 5 m L.Jurassic E. arcuatus 4.3 m Hettangian E. megacephalus 5 m Hettangian Eurydorus see Rutiodon E. serridens see Rutiodon serridens Euryodus U.Triassic Eurypterygius see Ichthyosaurus Eurysaurus L.Jurassic E. latifrons see Cymatosaurus latifrons E. latissimus see Germanosaurus latissimus E. raincourti E. schafferi see Germanosaurus schafferi Euscolosuchus U.Triassic E. olseni Carnian Excalibosaurus L.Jurassic E. costini 80 cm Sinemurian Exilisuchus U.Permian-L.Triassic E. tubercularis Olenekian Exostinus U.Cretaceous-Oligocene cf. E. lancensis Torrejonian E. cf. Sp. Orellan E. lancensis Maastrichtian-Torrejonian E. rugosus see Restes rugosus Tiffanian E. serratus 2 cm? 15 cm? Orellan E. silberlingi Torrejonian E. sp. Campanian-Maastrichtian Fasolasuchus U.Triassic F. tenax Norian-Rhaetian Fenhosuchus L.Triassic F. cristatus Olenekian Flaviagama U.Cretaceous F. dzerzhinskii U.Cretaceous Francosuchus see Parasuchus F. angustifrons see Paleorhinus angustifrons F. broilii see Paleorhinus broilii F. latus see Paleorhinus latus F. neukami see Paleorhinus neukami F. trauthi see Paleorhinus trauthi Frankosuchus see Parasuchus Fremouwsaurus see Palacrodon F. geludens see Palacrodon browni Fresnosaurus 10.8 m U.Cretaceous F. drescheri 10.8 m Maastrichtian Fritschia see Hylonomus Fugusuchus L.Triassic F. hejipensis(lejiapensis) 50 cm? 2.5 m? Scythian Fukangolepis M-U.Triassic F. barbaros Anisian? Fukusuchus L.Triassic? Fulengia L.Jurassic F. youngi 3.8 cm? 80 g? Hettangian Galephyrus see Galesphyrus Galesphyrus U.Permian G. capensis U.Permian Gallotia see Lacerta G. goliah Holocene Gambelia see Crotaphytus G. corona Blancan-Irvingtonian Gamosaurus L.Triassic G. lozovskii Olenekian Gaptorhinus probably Captorhinus G. aguti probably Captorhinus aguti Garjainia 50 cm 56 cm 2.8 m L.Triassic G. prima 41 cm Olenekian G. sp. Olenekian G. triplicostata 50 cm 56 cm 2.8 m Olenekian Gecatogomphius U.Permian G. kavejevi Kazanian Gecko see Gekko G. gigas see Phelsuma gigas G. newtoni see Phelsuma gigas G. verticullatus Geckolepis U.Pleistocene-Recent G. sp. Rancholabrean Geiseltaliellus M.Eocene G. cf. Longicaudus Lutetian G. cf. Louisi see Geiseltaliellus cf. Longicaudus G. longicaudus 6 cm 20 cm Lutetian G. louisi see Geiseltaliellus cf. Longicaudus Gekko Recent G. minutus nomen dubium Holocene Geocatogomphius see Gecatogomphius Georgia preoccupied, see Georgiasaurus G. penzensis see Georgiasaurus penzensis Georgiasaurus 71 cm 4.9 m U.Cretaceous G. penzensis 4.9 m Santonian Geosaurus see Crocodylia Index G. cynodus indeterminate material Gephyrosaurus 3.4 cm L.Jurassic G. bridensis 3 cm Sinemurian G. sp. Gerandogekko L-U.Miocene G. arambourgi Aquitanian G. gailliardi Vindobonian Germanosaurus M.Triassic G. graciles G. latissimus Anisian G. schafferi 24.4 cm Anisian Gerontoseps U.Cretaceous Gerrhonotus U.Cretaceous-Recent cf. G. sp. Campanian-M.Miocene G. cf. G. sp. U.Cretaceous-M.Miocene G. kingi(kingii) see Elgaria kingii L.Blancan-Recent G. multicarinatus living Alligator Lizard Blancan-Recent G. mungerorum 25 cm? U.Miocene-L.Pliocene G. sp. L.Oligocene-U.Pliocene G. sp. Blancan G. sp. Barstovian Gerrhosaurus L.Miocene-Recent G. cf. Major 3 cm? L.Miocene G. major M.Miocene Gilmoreia M.Oligocene G. attenuatus see Rhineura hatcheri M.Oligocene Gladidenagama U.Cretaceous G. semiplena U.Cretaceous Glaucosaurus L.Permian G. megalops L.Permian Glevosaurus probably Clevosaurus U.Triassic Globaura U.Cretaceous G. venusta 1.5 cm U.Cretaceous Globidens 48 cm U.Cretaceous G. aegyptiacus see Igdamanosaurus aegyptiacus G. alabamaensis 4 m Campanian-Maastrichtian G. dakotensis(dakotaensis) 4.9 m Campanian-Maastrichtian G. fraasi see Compressidens fraasi Maastrichtian G. sp. U.Cretaceous G. sp. Maastrichtian G. type 1 U.Cretaceous G. type 2 U.Cretaceous G. type 4 U.Cretaceous Glyptosaurus 46 cm M.Eocene aff. G. wahlbeckensis see Pseudeumeces wahlbeckensis cf. G. hillsi see Necrosaurus eucarinatus cf. G. sp. Bridgerian cf. G. sylvestris Bridgerian G. anceps see Lestophis anceps Wasatchian-Bridgerian G. brevidens see Glyptosaurus sylvestris G. cf. Hillsi Bridgerian G. cf. Sp. Bridgerian G. donohoei see Eoglyptosaurus donohoei G. giganteus see Helodermoides tuberculatus Orellan G. hillsi see Glyptosaurus sylvestris Bridgerian G. macrodon nomen dubium U.Eocene G. montanus see Helodermoides tuberculatus L.Oligocene G. nodosus see Glyptosaurus sylvestris Wasatchian-Bridgerian G. obtusidens Wasatchian G. ocellatus see Glyptosaurus sylvestris G. plicatulus Tithonian G. princeps see Glyptosaurus sylvestris Bridgerian G. rugosus see Glyptosaurus sylvestris Bridgerian G. sp. Wasatchian G. sp. Uintan G. sp. Arikareean G. sphenodon see Glyptosaurus sylvestris Bridgerian G. sylvestris 12.5 cm 122 cm? Wasatchian-Bridgerian G. tuberculatus 4 cm Bridgerian-Orellan Gobekko U.Cretaceous G. cretacicus(cretacius) U.Cretaceous Gobiderma U.Cretaceous G. pulchra 4.7 cm U.Cretaceous Gobinatus U.Cretaceous G. arenosus U.Cretaceous Godavarisaurus L.Jurassic G. lateefi 2 cm? L.Jurassic Gomphiosauridion U.Triassic G. baileyae Carnian Gomphiosaurus Triassic Gongylomorphus Pleistocene-Recent G. bojeri Pleistocene-Recent Goniosaurus Goronyosaurus 70 cm 7.4 m U.Cretaceous G. nigeriensis 70 cm 7.4 m Maastrichtian Gracilisaurus U.Permian G. ottoi U.Permian Gracilisuchus 75 cm M.Triassic G. stipanicicorum 9 cm? 30 cm Anisian Gracilosaurus see Gracilisaurus Graoullyodon U.Triassic G. hacheti U.Triassic Grendelius 4 m U.Jurassic G. mordax Kimmeridgian Grippia 15 cm 107 cm L.Triassic G. cf. Longirostris see Parvinatator wapitiensis G. longirostris Spathian Gualosuchus M.Triassic G. reigi 26 cm? M.Triassic Guchengosuchus L.Triassic G. shiguainensis see Vjushkovia shiquaiensis Olenekian Gurvansaurus U.Cretaceous G. canaliculatus U.Cretaceous G. potissimus U.Cretaceous Guyneddosaurus see Tanytrachelos Gwyneddosaurus see Tanytrachelos? G. erici see Tanytrachelos? U.Triassic Gymnocetus see Cyrmocetus Gymocetus see Crymocetus Haasia preoccupied, see Haasiasaurus U.Cretaceous Haasiasaurus U.Cretaceous Habrosaurus an Amphibian, see Amphibia Index Hadrokkosaurus M.Triassic H. bradyi Anisian Hainosaurus 1.5 m 15 m U.Cretaceous H. bernardi 15 m Maastrichtian H. gaudreyi Santonian H. pembinensis Campanian H. sp. Campanian Halazaisuchus see Halazhaisuchus Halazhaisuchus L.Triassic H. glaoensis(qiaoensis) Olenekian H. sp. Halidracon see Plesiosaurus Halidragon see Plesiosaurus Haligonia U.Triassic H. bolodon 2 cm? U.Triassic Halisaurus 41 cm 4.6 cm U.Cretaceous cf. H. sp. Campanian H. fraternus see Plioplatecarpus depressus H. n.sp. H. onchognathus Coniacian-Santonian H. ortliebi 41 cm 4.6 m H. platyspondylus Maastrichtian H. sp. Santonian H. sp. Maastrichtian H. sp. Campanian H. sp. (cf. H. sternbergi) H. sternbergi 2.7 m Coniacian-Santonian Hallucicrania not actually a genus, but an infraorder Hanosaurus 76 cm M.Triassic H. hupehensis 8.9 cm? Anisian Haplodontosaurus L.Paleocene H. excedens nomen dubium Puercan Haptodus 2.2 m? U.Pennsylvanian-L.Permian H. baylei 18 cm 28 cm? 1.4 m? L.Permian H. garnettensis 9 cm 14 cm? 71 cm? U.Pennsylvanian H. gaudryi see Haptodus baylei L.Permian H. grandis 28 cm 2.2 m? L.Permian H. longicaudatus see Haptodus baylei L.Permian H. macrourus see Haptodus baylei L.Permian H. saxonicus see Haptodus baylei L.Permian Haptosphenus U.Cretaceous H. placodon Maastrichtian H. sp. Maastrichtian H. sp. Campanian Harmodontosaurus M-U.Cretaceous H. emeryensis Albian-Cenomanian Harpagosaurus see Exostinus H. excedens see Haplodontosaurus excedens Puercan H. parvus see Exostinus lancensis Maastrichtian H. sp. Maastrichtian H. silberlingii see Proxestops silberlingi Harrisonsaurus L.Miocene H. fossilis 1 cm? Arikareean Hatteria see Sphenodon H. punctatus see Sphenodon punctatus Hauboldisaurus unclear if this is even considered a valid taxon H. eopermicus Hauffiosaurus L.Jurassic H. zanoni 43 cm 2.5 m Toarcian Hecatocomphius probably Hecatogomphius Hecatogomphius see Gecatogomphius M.Permian Heleophilus U.Permian H. acutus U.Permian Heleosaurus 50 cm U.Permian H. scholtzi U.Permian H. sp. Heleosuchus U.Permian H. griesbachi U.Permian Heliosaurus see Heleosaurus Helodectes see Amphibia Index Heloderma 76 cm Oligocene-Miocene H. gallicum Headonian H. horridum living Beaded Lizard H. matthewi see Lowesaurus matthewi Orellan H. sp. L-M.Miocene H. suspectum living Gila Monster Rancholabrean-Recent H. texana 2.5 cm Arikareean Helodermoides 46 cm Eocene-M.Oligocene cf. H. tuberculatus Chadronian-Orellan H. mongoliensis see Placosaurus mongoliensis Eocene H. sp. Chadronian H. sp. U.Eocene H. tuberculatus 10 cm? Chadronian Helveticosaurus 2 m M.Triassic H. zollingeri(zollinseri) Anisian Hemidactylus Recent H. capensis see Lygodactylus capensis Holocene H. cf. Frenatus Holocene H. viscatus Holocene? Hemilopas see Tholodus H. mentzeli see Tholodus Hemisphaeriodon see Tiliqua Henodus 2.15 m? U.Triassic H. chelyops 1.2 m Carnian Heptasuchus U.Triassic H. clarki U.Triassic Herpetosuchus see Erpetosuchus H. granti see Erpetosuchus granti Hescheleria see Clarazia H. rubeli(ruebeli) M.Triassic Hesperosuchus see Crocodylia Index Heterodontosuchus see Nicrosaurus U.Triassic H. ganei see Nicrosaurus ganei U.Triassic Hexatarostinus L.Jurassic Himalayasaurus 15.4 m? U.Triassic H. tibetensis see Tibetosaurus tingjiensis Norian Himalayosaurus see Himalayasaurus Hoburogekko L.Cretaceous H. sukhanovi(suchanovi) L.Cretaceous Hodzhakulia L-M.Cretaceous H. magma Albian-Coniacian H. sp. Albian-Aptian Holbrokia probably Holbrookia H. maculata probably Holbrookia maculata Irvingtonian-Recent Holbrookia M.Miocene-Recent H. antiqua 9 mm? M.Miocene H. maculata living Earless Lizard Irvingtonian-Recent H. sp. Rancholabrean H. sp. Rancholabrean H. texana 1 cm? Rancholabrean-Recent Holcodus U.Cretaceous H. acutidens see Hyposaurus rogersii, in Crocodylia Index H. coryphaeus see Platecarpus coryphaeus H. ictericus see Platecarpus ictericus Holmanisaurus U.Eocene H. oligocenicus Chadronian Holosaurus see Platecarpus H. abruptus see Platecarpus coryphaeus U.Cretaceous Homaeosaurus see Homoeosaurus H. pulchellus see Kallimodon pulchellus Homeosaurus 3.5 cm 20 cm U.Jurassic H. aff. Solnhofensis H. brevipes see Ardeosaurus brevipes H. macrodactylus see Bavarisaurus macrodactylus H. maximiliani 20 cm U.Jurassic H. pulchellus 23 cm Tithonian H. sp. Tithonian Homoeosaurus 3.5 cm 75 cm? U.Jurassic H. aff. Solnhofensis H. maximiliani 20 cm U.Jurassic H. parvipes H. pulchellus 23 cm Tithonian H. solnhofensis U.Jurassic H. sp. Tithonian Homoesaurus see Homeosaurus H. macrodactylus see Bavarisaurus macrodactylus Honania U.Permian H. complicidentata U.Permian Hoplitasuchus see Hoplitosuchus? U.Triassic Hoplitosaurus H. sp. Hoplitosuchus U.Triassic H. raui Hovasaurus 1 m? U.Permian H. boulei 50 cm U.Permian Howesia L.Triassic H. browni L.Triassic Huanghesaurus see Shihtienfenia U.Permian H. liulinensis see Shihtienfenia permica U.Permian Hudsonelpidia 13 cm 76 cm U.Triassic H. brevirostris 13 cm 76 cm Norian Huehuecuetzpalli L.Cretaceous H. mixtecus Albian Hupehsuchus see Nanchangasaurus H. nanchangensis M.Triassic Hwanghocynodon U.Permian H. multienspidus U.Permian Hydralmosaurus 38 cm 11.4 cm U.Cretaceous H. serpentinus 11.4 cm Santonian-Campanian Hydrosaurus Pontosaurus H. lensinensis 5.8 cm 126 cm L.Cretaceous Hydrothecrosaurus see Hydrotherosaurus Hydrotherosaurus 33 cm 12.9 m U.Cretaceous H. alexandrae 12.9 m Maastrichtian H. riggsi see Alzadasaurus riggsi Hyloplesion see Amphibia Index Hylonomus 3.5 cm 3.5 cm 30 cm? L.Pennsylvanian H. fritschia(fritschi) see Saxonerpeton geinitzi & Batrophetes fritschia (in Amph H. geinitzi see Saxonerpeton geinitzi, in Amphibia Index H. lyelli 3 cm 25 cm Westphalian Hyorhynchus U.Permian Hyperodapedon 19 cm 2 m? U.Triassic H. gordoni Carnian H. huenei 14.6 cm Ladinian H. huxleyi see Parasuchus hislopi? Carnian H. mariensis Carnian H. sanjuanensis Carnian Hyperodepedon see Hyperodapedon Hyphalosaurus L.Cretaceous H. lingyuanensis 64 cm? Barremian H. sp. L.Cretaceous Hypopnous see Captorhinus H. squaliceps see Romeria sp. Leonardian Hyporhina M.Oligocene H. antiqua 1 cm Orellan-Whitneyan H. galbreathi see Hyporhina antiqua H. tertia 1.2 cm? Chadronian Hypselorhachis M.Triassic H. mirabilis nomen nudum Anisian Hypsiglena Pliocene-Recent H. sp. Blancan-Irvingtonian Hypsognathus 10 cm 33 cm U.Triassic H. fenneri Norian H. sp. Carnian Hypsorhina see Hyporhina H. antigua see Hyporhina antiqua H. antiqua see Hyporhina antiqua Hypuronector U.Triassic H. limnaios Carnian Ianthasaurus 60 cm? U.Pennsylvanian I. Hardestii 60 cm? U.Pennsylvanian Ianthosaurus see Ianthasaurus I. hardestii see Ianthasaurus haardestii Iberovaranus M.Miocene I. Catalaunicus Burdigalian Icarosaurus 30 cm 800 g? U.Triassic I. Siefkeri 2.5 cm Carnian I. Sp. Carnian Ichthyosaurus 52 cm 2.5 m L-U.Jurassic I. Acutirostris Pliensbachian I. Arietis Jurassic I. Atavus see Mixosaurus atavus M.Triassic I. Australis L.Cretaceous I. Bambergensis L.Jurassic I. Bodenbenderi I. Breviceps 24 cm 1.5 m Sinemurian I. Burgundiae I. Californicus U.Jurassic I. Campylodon see Myopterygius kiprijanoffi I. Communis 52 cm 2.5 m Sinemurian I. Coniformis I. Conybeari 1 m Sinemurian I. Cornalianus see Mixosaurus cornalianus I. Crassimanus I. Dorsetensis 1.8 m Jurassic I. Enthekiodon Kimmeridgian I. Extremus see Brachypterygius extremus I. Franciscanus U.Jurassic I. Hercynicus Aptian? I. Immanis I. Intermedius 1.8 m Hettangian I. Janiceps see Macgowania janiceps Norian I. Kurskensis indeterminate material L.Cretaceous I. Leptospondylus see Aegirosaurus leptospondylus I. Lonchiodon L.Jurassic I. Longifrons I. Longirostris L.Jurassic I. Marathonensis L.Cretaceous I. Megacephalus Jurassic I. Missouriensis see Mosasaurus missouriensis I. Nasimovii nomen dubium Tithonian I. Numismalis I. Platyodon see Temnodontosaurus platyodon I. Quadriscissus Pleinsbachian I. Sp. 4 m L.Jurassic I. Sp. L.Jurassic I. Steleodon see Platypterygius steleodon? I. Strombecki Cretaceous I. Tenuirostris Rhaetian-Sinemurian I. Thyreospondylus Kimmeridgian I. Torrei a Plesiosaur Oxfordian I. Trigonodon I. Trigonus see Macropterygius trigonus I. Triscissus Jurassic I. Volgensis see Otschevia? Tithonian I. Zetlandicus Igdamanosaurus 3.7 m U.Cretaceous I. Aegyptiacus 3.7 m Campanian-Maastrichtian Igua U.Cretaceous I. Minuta Albian Iguana U.Pleistocene-Recent I. Delicatissima living Iguana Holocene-Recent I. Europaea see Placosaurus europaeus I. Europaeana see Placosaurus europaeus I. Europoeana see Placosaurus europaeus I. Haueri nomen dubium Tertiary I. Iguana Blancan-Recent I. I. Reverti see Iguana delicatissima I. Sp. U.Pleistocene I. Sp. Holocene I. Sp. Holocene I. Sp. Holocene Iguanavus U.Cretaceous-M.Eocene I. Exilis Bridgerian I. Teres see Chamops segnis Maastrichtian Iguanosauriscus see Eolacerta I. Haupti see Eolacerta robusta Lutetian I. Paleocenicus see Plesiolacerta paleocenica Iguanosaurus see Eolacerta aff. I. Paleocenicus see Plesiolacerta paleocenica I. haupti see Eolacerta robusta Lutetian Ikechosaurus L-M.Cretaceous I. Magnus 25 cm? 3 m? Albian I. Sunailinae L.Cretaceous Ilerdaesaurus U.Jurassic-L.Cretaceous I. Crusafonti U.Jurassic-L.Cretaceous Impensodens see Lepidophyma I. Arizeloglyphus see Lepidophyma arizeloglyphus Insulophodon L.Triassic I. Morachovskayae Olenekian Introrsisaurus see Dorsetisaurus I. Pollicidens see Dorsetisaurus purbeckensis Irenosaurus 1.5 m? M.Cretaceous I. Egloni Aptian Isalarhynchus I. Genovetae(genovoetae) M.Triassic Isalorhynchus probably Isalarhynchus M-U.Triassic I. Genovefae(genovetae) U.Triassic Ischyrodon see Liopleurodon I. Meriani Ischyrosaurus see Ischyrotherium Ischyrotherium U.Triassic I. Antiquum U.Triassic Iserosaurus Cretaceous I. Litoralis Cretaceous Isfjordosaurus L.Triassic I. Minor Spathian Isodontosaurus U.Cretaceous I. Gracilis 2.5 cm U.Cretaceous Jaikosuchus L.Triassic J. magnus Olenekian Jepsibaena 1.8 cm? L.Eocene J. minor Wasatchian Jesairosaurus 2.5 cm? 20 cm L-M.Triassic J. lehmani 2.5 cm? 20 cm L-M.Triassic Jushatyria M.Triassic J. vjushkovi Ladinian Kadaliosaurus L.Permian K. priscus L.Permian Kadimakara 3.3 cm 46 cm? L-M.Triassic K. australiensis 3.3 cm 36 cm L-M.Triassic Kahneria M.Permian K. seltina U.Permian Kaiwhekea U.Cretaceous K. katiki 62 cm 6.5 m Cenomanian-Maastrichtian Kalisuchus 25 cm? 1 m L.Triassic K. rewanensis 25 cm? 1 m L.Triassic Kallimodon 3.3 cm U.Jurassic K. cerinensis K. pulchellus 3.3 cm 20 cm? Kimmeridgian-Berriasian K. sp. Kapes L-M.Triassic K. amaneus Olenekian K. bentoni Anisian K. majmesculae Olenekian K. serotinus Anisian Keichousaurus 50 cm M.Triassic K. hui 18 cm? Anisian-Carnian K. lusiensis K. sp. M.Triassic K. yunnanensis(yuananensis) 50 cm Anisian Kenyasaurus L.Triassic K. mariakaniensis L.Triassic Khudiakovia M.Jurassic K. calloviensis see Ophthalmosaurus sp.? Callovian Khurendukhosaurus L.Cretaceous K. bajkalensis <1 m Neocomian K. orlovi 1 m? Aptian Kimmerosaurus 43 cm 7 m U.Jurassic K. langhami 6.2 m+ U.Jurassic Kinelia U.Permian K. broomi U.Permian Kladeisteriodon see Teratosaurus Koalemmasaurus see Bradysaurus K. acutirostris see Bradysaurus acutirostris M.Permian Koalemasaurus see Bradysaurus Koiloskiosaurus L.Triassic K. coburgensis L.Triassic Kolposaurus Plotosaurus U.Cretaceous K. bennisoni see Plotosaurus bennisoni K. dichthadius nomen dubium, see Nothosaurus marchicus K. tuckeri Maastrichtian Konkasaurus U.Cretaceous K. mahalana Maastrichtian Kronosaurus 3.7 m? 12.9 m? L.Cretaceous K. boyacensis 2.4 m 8.9 m Aptian-Albian K. queenslandicus 2.7 m 10.8 m Aptian-Albian Kudnu 30 cm L-M.Triassic K. mackinleyi(mackinlayi) 20 cm L.Triassic Kuehneosaurus 66 cm U.Triassic K. latus 3.7 cm Rhaetian Kuehneosuchus U.Triassic K. latissimus 45 cm? U.Triassic Kupferzell K. raui Kwangisaurus see Kwangsisaurus Kwangsisaurus L.Triassic K. lusiensis nomen dubium Ladinian K. orientalis Anisian-Ladinian Labidosaurikos L.Permian L. barkeri L.Permian L.meachami 40 cm? L.Permian Labidosaurus 70 cm L.Permian L. broili L. hamatus 10 cm? 70 cm Wolfcampian-Leonardian L. oklahomensis L. sp. Wolfcampian-Leonardian L. stovalli Lacerta 1.25 m L.Eocene-Recent L. aff. Lepida U.Irvingtonian L. agilis living Sand Lizard Oldenburgian-Recent L. ambigua nomen dubium U.Miocene L. antiqua nomen dubium U.Oligocene L. bifidentata nomen dubium U.Miocene L. castellanensis Pleistocene L. cf. Erhardii Oldenburgian L. cf. Sicula U.Blancan-Rancholabrean L. cf. Viridis U.Blancan-L.Irvingtonian L. crassidens nomen dubium U.Blancan L. eocaena(eocena) belongs to a fish L.Eocene L. filholi U.Eocene-L.Miocene L. fossilis nomen dubium Oldenburgian L. gangeticus see Gavialis gangeticus, in Crocodylia Index L. giganteus(gigantea) see Geosaurus giganteus, in Crocodylia Index L. goliath 1 m Holocene L. lamandini see Pseudolacerta lamandini L. lepida living Jewelled Lizard U.Pleistocene-Recent L. maxima 1.25 m Pleistocene-Holocene L. mucronata see Pseudolacerta mucronata L. muralis living Wall Lizard L. neptunia see Leptosaurus neptunia U.Jurassic L. philippiana nomen dubium U.Miocene L. poncenatensis Agenian L. ponsortiana nomen dubium U.Miocene L. pterigoides see Lacerta maxima L. pulla M.Oligocene L. rottensis U.Oligocene L. ruscinensis Pliocene L. sansaniensis nomen dubium U.Miocene L. sculimelitensis(siculimelitensis) 75 cm Oldenburgian L. simonyi Holocene L. s.l. filholi Agenian L. sp. M.Pleistocene L. sp. L.Miocene-Holocene L. stehlini Holocene L. viridis living Emerald Lizard U.Pliocene-Recent L. vivipara living Common Lizard Oldenburgian-Recent Lacertulus U.Permian-L.Triassic L. bipes 10 cm? U.Permian Laemanctus Recent L. sp. Holocene Lagerpeton 20 cm h 71 cm 450 g M.Triassic L. canarensis 20 cm h 71 cm 450 g Ladinian Lagosuchus 3.3 cm 15 cm h 50 cm 900 g M.Triassic L. lilloensis see Marasuchus lilloensis L. talampayensis 3.3 cm 15 cm h 50 cm 900 g Ladinian Lambrosauroides see Lamprosauroides L. goepperti see Lamprosauroides goepperti Lamprosauroides M.Triassic L. goepperti Ladinian Lamprosaurus see Lamprosauroides L. goepperti(gopperti) see Lamprosauroides goepperti Lanceosaurus see Chamops L. compressus see Chamops segnis Maastrichtian L. hatcheri see Chamops segnis Maastrichtian Langobardisaurus 48 cm U.Triassic L. pandolfii 9 cm? 48 cm Norian L. tonelloi see L. pandolfi? Norian Lanthaniscus U.Permian L. efremovi Tatarian Lanthanolania U.Permian L. ivakhnenkoi 2.2 cm Kazanian-Tatarian Lanthanosuchus 15 cm 76 cm U.Permian L. watsoni 15 cm 76 cm Tatarian Laonogekko L.Eocene L. lefevrei 1.5 cm? Ypresian Lathanotus Recent Lariosaurus 60 cm M.Triassic L. balsami Ladinian L. b. var. plinii see Lariosaurus balsami L. balsanti 1 m M.Triassic L. buzzii 8 cm? 3.7 m Anisian-Ladinian L. calcagnii 2 m? Ladinian L. cf. Balsami see Lariosaurus balsami L. curionii 6 cm? L. lanzi nomen nudum L. lavizzarii see Lariosaurus balsami Ladinian L. lusiensis L. stensioei Anisian-Ladinian L. valceresii Anisian-Ladinian L. xingyiensis Ladinian Lazarossuchus U.Oligocene Lazarussaurus Leiocephalikon see Amphibia Index Leiocephalus Miocene-Pleistocene L. apertosulcus 2 cm? 40 cm? Rancholabrean L. cf. Carinatus see Leiocephalus carinatus L. carinatus living 22 cm? Rancholabrean-Recent L. cuneus 3 cm? Rancholabrean L. etheridgei 24 cm? Rancholabrean L. herminieri Holocene L. jamaicensis 26 cm? Rancholabrean L. nebraskensis Barstovian L. partitus 26 cm? Rancholabrean L. personatus 15 cm? Rancholabrean-Holocene L. septentrionalis see Leiocephalus nebraskensis L. sp. Arikareean-Holocene L. sp. Cf. Septentrionalis 1.5 cm? Miocene Leiodon see Liodon L. anceps U.Cretaceous L. haumuriensis see Tylosaurus haumuriensis L. laticaudus see Plioplatecarpus depressus L. mosasaurus L. prorigor see Tylosaurus prorigor L. sp. U.Cretaceous Leiolopisma Holocene L. mauritiana 7 cm? 40 cm? Holocene L. telfairii 34 cm? Holocene Leiosaurus Pliocene-Recent L. bellii Rancholabrean L. marelli nomen dubium Ensenadan Lepidophyma U.Pleistocene-Recent L. arizeloglyphus Holocene L. sp. Rancholabrean Lepidosaurus Leptochamos Paleocene Leptochamops U.Cretaceous cf. L. sp. U.Cretaceous L. denticulatus Campanian-Maastrichtian L. sp. Maastrichtian L. sp. Campanian Leptocheirus see Teretocnemus U.Triassic L. zitteli see Teretocnemus zitteli Carnian Leptocleidus 32 cm 3 m L.Cretaceous L. capensis 3 m Hauterivian L. clemai 3 m Hauterivian-Barremian L. "Eric" 2 m Albian L. superstes 3 m Hauterivian-Barremian Leptocraniopsis U.Pennsylvanian L. hamiltensis U.Pennsylvanian Leptonectes U.Triassic-L.Jurassic L. cf. Tenuirostris 1 m? 4 m? Hettangian-Sinemurian L. moorei Pliensbachian L. solei L. tenuirostris Rhaetian-Sinemurian Leptopleuron 122 cm M-U.Triassic L. lacertinum U.Triassic Leptopterygius 147 cm 9.2 m L.Jurassic L. acutirostris see Leptopterygius burgundiae L. burgundiae 147 cm 7 m Toarcian L. disinteger see Suevoleviathan disinteger Toarcian L. solei L.Jurassic L. tenuirostris 95 cm 4 m Rhaetian-Sinemurian Leptoropha M.Permian L. novojilovi see Rhipaeosaurus talonophorus Leptosaurus see Homoeosaurus L. neptunia(neptunius) U.Jurassic Leptosuchus see Rutiodon L. cf. Crosbiensis U.Triassic L. crosbiensis see Rutiodon crosbiensis U.Triassic L. imperfecta see Rutiodon imperfecta U.Triassic L. studeri see Rutiodon studeri U.Triassic Lestanshoria L.Triassic L. massiva Olenekian Lesticodus see Mosasaurus Lestophis Eocene-L.Oligocene L. anceps Bridgerian L. crassus Bridgerian L. sp. Bridgerian Lestosaurus see Platecarpus L. medius see Platecarpus coryphaeus U.Cretaceous Leurospondylus 2.3 m U.Cretaceous L. ultimus Maastrichtian Leutkesaurus M.Cretaceous L. no species cited Cenomanian Lewisuchus 14 cm 27 cm 114 cm 1.3 kg M.Triassic L. admixtus 14 cm 27 cm 114 cm 1.3 kg Ladinian Libognathus U.Triassic L. sheddi Norian Libonectes 46 cm 10.5 m M.Cretaceous L. morgani 46 cm 10.5 m Turonian Ligerosaurus M.Miocene L. pouiti 1.8 cm? Orleanian Likhoelesaurus probably Basutodon L. ingens U.Triassic Likoelesaurus see Likhoelesaurus Limnophis preoccupied, see Lestophis L. crassus preoccupied, see Lestophis crassus Liodon 122 cm 12.3 m U.Cretaceous L. anceps U.Cretaceous L. congrops see Clidastes U.Cretaceous L. curtirostris see Platecarpus curtirostris L. ictericus see Platecarpus ictericus L. laticaudus see Plioplatecarpus depressus L. mosasauroides 12.3 m L. mosasaurus L. paradoxus see Dakosaurus paradoxus, in Crocodylia Index L. perlatus see Tylosaurus U.Cretaceous L. primaevum see Dakosaurus primaevus, in Crocodylia Index L. prorigor see Tylosaurus prorigor L. rhiphalus see Tylosaurus rhiphalus Campanian L. sectorius(sectoius) 9.2 m U.Cretaceous Liopleurodon 4.9 m? 24.6 m? U.Jurassic L. cf. Macromerus L. cf. Pachydeirus L. ferox 1.5 m 12 m Callovian L. grossouveri L. macromerus(macromerius) see Pliosaurus macromerus? Callovian-Tithonian L. nova L. pachydeirus Callovian L. philarchus see Peloneustes philarchus? L. rossicus 1 m? 5 m? Tithonian Lipognathus Lisboasaurus 2 cm? U.Jurassic L. estesi Kimmeridgian L. mitracostatus Kimmeridgian Litakis U.Cretaceous L. gilmorei Maastrichtian L. sp. Maastrichtian Longisquama 30 cm? L.Triassic L. insignis(insugnis) 2.3 cm 23 cm Scythian Longobardisaurus probably Langobardisaurus U.Triassic Longosuchus U.Triassic L. meadei 2.9 m Carnian Lophoprosopus see Nicrosaurus Lophorhinus see Nicrosaurus Lophura preoccupied, see Hydrosaurus Loricotherium see Placosaurus M.Eocene L. waltheri see Placosaurus waltheri Lutetian Lotosaurus 3 m M.Triassic L. adentus(edentus) 25 cm? 3 m Ladinian Lowesaurus M.Oligocene-L.Miocene L. matthewi Orellan-Arikareean Lucasuchus U.Triassic Luetkesaurus U.Cretaceous Lukousaurus 2 m L.Jurassic L. yini Hettangian Lupeosaurus L.Permian L. kayi Wolfcampian L. sp. Leonardian-Wolfcampian Luperosuchus M.Triassic L. fractus 60 cm? Anisian Lygodactylus Recent L. capensis Holocene Lysorophus see Amphibia Index Lystromycter 30 cm L.Miocene L. leakeyi L.Miocene Lythrosaurus L. langstoni Lythrosuchus U.Triassic L. langstoni Mabuya U.Pleistocene-Recent M. mabouya 20 cm? Rancholabrean M. sp. Rancholabrean Macellodus U.Jurassic M. brodiei see Becklesius hoffstetteri U.Jurassic Macgovania see Macgowania M. janiceps Macgowania U.Triassic M. janiceps Norian Machaeroprosopus see Rutiodon M. adamanensis see Rutiodon adamanensis M. andersoni see Rutiodon andersoni M. gregorii 138 cm 11 m+ Norian M. lithodendrorum see Rutiodon lithodendrorum M. sp. U.Triassic M. tenuis see Rutiodon tenuis M. validus see Rutiodon validus M. zunii see Rutiodon zunii Machaerosaurus M.Paleocene-M.Oligocene cf. M. torrejonensis M.Paleocene M. cf. Torrejonensis Torrejonian M. pawneensis see Parophisaurus pawneensis M.Oligocene M. terrejonsis probably Machaerosaurus torrejonensis M. torrejonenensis see Machaerosaurus torrejonensis M. torrejonensis Torrejonian M. torrejonsis see Machaerosaurus torrejonensis Macrocephalosaurus 12 cm U.Cretaceous M. chulsanensis 8 cm Campanian M. ferrugenosus(ferrugenous) 12 cm Campanian M. gilmorei 8 cm Campanian Macrochemus see Macrocnemus M. bassanii see Macrocnemus bassanii Macrocnemus 84 cm M.Triassic M. anatinus indeterminate material M.Triassic M. bassanii(basanii) Ladinian Macrodontophion Jurassic Macroleter U.Permian M. poezicus Tatarian Macromerion U.Pennsylvanian M. schwartzenbergii Stephanian Macromerosauro see Lariosaurus Macromerosaurus see Lariosaurus M.Triassic M. plinii(plinj) see Lariosaurus balsami Macromirosaurus see Lariosaurus M.Triassic M. plinii see Lariosaurus balsami Macrophelsuma Pleistocene M. guentheri see Phelsuma cf. Guentheri M. newtoni see Phelsuma gigas Macrophon L.Triassic M. komiensis Olenekian Macroplacus U.Triassic M. raeticus 18 cm? Rhaetian Macroplata 71 cm 4.9 m L.Jurassic M. longirostris 71 cm 4.9 m Hettangian-Toarcian M. tenuiceps 58 cm 4.7 cm Hettangian Macropterygius L-U.Jurassic M. trigonus Macrorhineura L.Miocene M. skinneri 1.8 cm? Arikareean Macrormerion see Macromerion U.Pennsylvanian M. schwartzenbergii see Macromerion schwartzenbergii Macrornerion probably Macrormerion Macrosaurus see Mosasaurus U.Cretaceous M. polyspondylus see Eogyrinus attheyi, in Amphibia Index M. prorigor see Tylosaurus prorigor M. sp. U.Cretaceous Macroscelosaurus see Tanystropheus M.Triassic Macroscincus M. cocteaui Malerisaurus U.Triassic M. langstoni 12 cm 1.2 m? Carnian M. robinsonae Carnian Malutinisuchus M.Triassic M. gratus Ladinian Mandasuchus 2.5 m M.Triassic M. tanyauchen Anisian Marasuchus 122 cm M.Triassic M. lilloensis Ladinian Maresaurus 76 cm 6.2 m M.Jurassic M. coccai 6.2 m Bajocian Marmoretta 2.3 cm? M.Jurassic Marpagosaurus see Exostinus M. parvus see Exostinus lancensis Mauisaurus 12.3 m? U.Cretaceous M. brachiolatus see Mauisaurus haasti M. gardneri Albian M. haasti 9.2 m Maastrichtian Megacnemus M.Triassic M. grandis 50 cm? M.Triassic Megalancosaurus 36 cm U.Triassic M. preonensis 2.7 cm 36 cm Norian Megalania 80 cm 7 m? 620 kg Pliocene-Pleistocene M. prisca 80 cm 4.9 m 620 kg Rancholabrean M. sp. Quaternary Megalangosaurus see Megalancosaurus Megalneusaurus 10.5 m U.Jurassic M. rex 10.5 m Kimmeridgian-Portlandian Megasaurus see Palaeosaniwa M. robustus see Palaeosaniwa canadensis & Paraderma bogerti Melanosauroides see Necrosaurus M.Eocene M. eucarinatus see Necrosaurus eucarinatus M. giganteus see Necrosaurus eucarinatus Melanosaurus L.Eocene-L.Oligocene M. maximus 9.2 cm Wasatchian M. sp. Wasatchian M. sp. Ypresian Melanothyris see Protorothyris L.Permian M. morani L.Permian Meniscognathus U.Cretaceous M. altmani(altman) Maastrichtian M. sp. Maastrichtian Merriamia U.Triassic M. zitteli see Toretocnemus zitteli Carnian Mesenosaurus 38 cm U.Permian M. romeri 3 cm? 38 cm Tatarian Mesodapedon U.Triassic Mesoleptos see Carsosaurus L.Cretaceous Mesorhinosaurus M. fraasi Mesorhinosuchus see Paleorhinus U.Triassic M. fraasi see Paleorhinus fraasi Scythian-Ladinian Mesorhinus preoccupied by a fish, reptilian material lost in WWII reass Mesosaurus 20 cm? 1 m L.Permian M. brasiliensis see Mesosaurus tenuidens Artinskian M. capensis see Mesosaurus tenuidens L.Permian M. pleurogaster see Mesosaurus tenuidens L.Permian M. tenuidens 1 m L.Permian M. tumidus(tumidum) 76 cm L.Permian Mesosuchus 60 cm 30 cm L.Triassic M. browni L.Triassic Metamosaurus see Metarmosaurus M. fossatus see Metarmosaurus fossatus Metanothosaurus L.Triassic M. nipponicus L.Triassic Metarhinus see Arribasuchus Metarmosaurus see Amphibia Index M. fossatus 2 m? L.Permian Meyasaurus U.Jurassic-L.Cretaceous M. faurai 26 cm? U.Jurassic-L.Cretaceous Meyerasaurus U.Jurassic Microcenemus see Microcnemus M. efremovi see Microcnemus efremovi Microcleidus 6.15 m L.Jurassic M. brachypterygius see Plesiosaurus guilelmiimperatoris M. homalospondylus 6.15 m Toarcian M. macropterus L.Jurassic Microcnemus L.Triassic M. efremovi Olenekian M. sp. Induan-Olenekian Microleptosaurus M.Triassic M. schlosseri Ladinian Micronothosaurus see Cymatosaurus M. stensioeii(stensioi) see Cymatosaurus stensioeii or Lariosaurus stensioei Microphon see Amphibia Index U.Permian-L.Triassic M. exiguus 1 cm? Tatarian Microtheledon L.Triassic M. parvus L.Triassic Microthelodon see Microtheledon L.Triassic Mikadocephalus M.Triassic M. gracilirostris Anisian-Ladinian Milleretoides probably Millerettoides U.Permian Milleretops see Millerettops Millerettoides U.Permian M. platyceps U.Permian Milleretta 60 cm U.Permian M. rubidgei U.Permian Millerettops U.Permian M. kitchingi 2.5 cm? U.Permian Millerina see Milleretta U.Permian M. rubidgei see Milleretta rubidgei U.Permian Millerinoides M.Permian M. acutirostris M.Permian Milleropsis U.Permian Millerosaurus 5 cm 20 cm U.Permian M. nuffieldi U.Permian M. ornatus U.Permian M. pricei 3 cm? U.Permian Milosaurus U.Pennsylvanian M. mccordi U.Pennsylvanian Mimeosaurus U.Cretaceous M. cf. Tugrikinensis U.Cretaceous M. crassus 2.5 cm Campanian M. tugrikinensis see Mimeosaurus crassus Campanian Mimobecklesiosaurus possibly Mimobecklesisaurus U.Jurassic Mimobecklesisaurus U.Jurassic Mimosaurus U.Cretaceous Minicrania L.Devonian M. lirouyii Lochovian Mixosaurus 2 m M.Triassic M. atavus 8 m? M.Triassic M. cornalianus 27 cm 1 m M.Triassic M. carnalius 2 m M.Triassic M. kuhnschnyderi M.Triassic M. longirostris see Grippia longirostris L.Triassic M. maotiensis(maotaiensis) see Mixosaurus cornalianus M.Triassic M. natans see Phalarodon nordenskioeldii M. nordenskioeldii see Phalarodon nordenskioeldii M. nordenskjoldi see Phalarodon nordenskioeldii M. sp. L.Triassic M. sp. M.Triassic Moanasaurus 78 cm 12.3 m? U.Cretaceous M. mangahouangae 78 cm 12 m? Campanian-Maastrichtian Mollesaurus M.Jurassic M. periallus Bajocian Mongolochamops U.Cretaceous M. reshetovi U.Cretaceous Monjurosaurus L.Cretaceous Monjurosuchus U.Jurassic-L.Cretaceous M. orientalis Tithonian M. splendens 30 cm U.Jurassic-L.Cretaceous Moradisaurus U.Permian M. grandis U.Permian Moradosaurus probably Moradisaurus U.Permian M. grandis probably Moradisaurus grandis Morenosaurus 8.6 m U.Cretaceous M. stocki 8.6 m Maastrichtian Morturneria 40 cm 6.2 m U.Cretaceous M. seymourensis see Aristonectes parvidens Maastrichtian Morunasius U.Cretaceous M. modestus U.Cretaceous Mosaesaurus see Mosasaurus Mosasaurus 122 cm 18 m? U.Cretaceous M. bavaricus M. beaugei Campanian M. camperi U.Cretaceous M. cf. Anceps Campanian-Maastrichtian M. cf. Missouriensis M. conodon 9.2 m Maastrichtian M. conybeari 1.2 m 9.6 m? Maastrichtian M. copeanus see Plioplatecarpus depressus M. crassidens M. dekayi Maastrichtian M. donicus nomen dubium Campanian M. flemingi see Moanasaurus Campanian-Maastrichtian M. fulciatus U.Cretaceous M. giganteus 12.3 m U.Cretaceous M. gracilis M. hobetsuensis Maastrichtian M. hoffmani(hofmann) 1.6 m 12 m? Maastrichtian M. h. ivoensis see Tylosaurus ivoensis M. horridus see Mosasaurus missouriensis M. iembeensis Turonian M. ivoensis see Tylosaurus ivoensis U.Cretaceous M. laticauda see Plioplatecarpus depressus M. lemonnieri possibly Mosasaurus conodon M. mangahouangae U.Cretaceous M. maximiliani see Pterycollosaurusu maximiliani M. maximus possibly M. hoffmani Maastrichtian M. minor Maastrichtian M. missouriensis 1 m 7.7 m U.Cretaceous M. mitchilli U.Cretaceous M. mokoroa 71 cm 5.6 m Maastrichtian M. nigeriensis see Goronyosaurus nigeriensis M. n.sp. M. oarthrus U.Cretaceous M. poultney M. scanicus see Plioplatecarpus scanicus M. sp. U.Cretaceous M. tenuidens possibly a misplacement of Mesosaurus tenuidens M. validus U.Cretaceous Mososaurus see Mosasaurus Muraenosaurus 40 cm 6.5 m M-U.Jurassic M. beloclis 2.6 m Callovian M. brevior M. dubriviensis possibly Muraenosaurus durobrivensis M. dubroviensis possibly Muraenosaurus durobrivensis M. durobrivensis M. elasmosauroides indeterminate material Tithonian M. kamensis indeterminate material Tithonian M. leedsi(leedsii) 6.5 m Callovian M. platyclis M. platymerus see Cryptoclidus eurymerus M. plicatus M. purbecki indeterminate material Tithonian M. reedii Jurassic M. sp. Oxfordian M. truncatus Muroenosaurus see Muraenosaurus M. reedii see Muraenosaurus reedii Mycterosaurus 60 cm L.Permian M. longiceps L.Permian M. smithae L.Permian Myobradypterygius see Platypterygius U.Jurassic Myocephalus L-M.Triassic M. crassidens L-M.Triassic Myognathus L.Triassic Myopterygius see Platypterygius Cretaceous M. kiprijanoffi see Platypterygius kiprijanoffi M. petersoni Cretaceous Mystriosuchus 3.7 m U.Triassic M. planirostris 80 cm? Norian M. plieningeri see Mystriosuchus westphali M. rutimeyeri see Rutiodon rutimeyeri Rhaetian M. sp. M. westphali 115 cm? Norian Nanchangasaurus see Nanchangosaurus Nanchangosaurus 1 m M.Triassic N. suni Ladinian Nannopterygius U.Jurassic N. enthekiodon Kimmeridgian Nanomilleretta U.Permian N. kitchingi 1.5 cm? U.Permian Nanoparia U.Permian N. luckhoffi U.Permian N. pricei 12 cm U.Permian Naocephalus M.Eocene N. porrectus nomen dubium Bridgerian Naosaurus see Edaphosaurus L.Permian N. claviger see Edaphosaurus pogonias Leonardian N. credneri see Edaphosaurus credneri N. cruciger see Edaphosaurus cruciger N. microdus see Edaphosaurus microdus N. mirabilis see Edaphosaurus mirabilis N. raymondi see Edaphosaurus raymondi Naransaurus N. chulsanensis see Macrocephalosaurus chulsanensis Necrodasypus see Placosaurus N. galliae see Placosaurus galliae Necrosaurus 7 cm? U.Paleocene-L.Oligocene N. cayluxi U.Eocene-L.Oligocene N. eucarinatus Lutetian N. giganteus see Necrosaurus eucarinatus N. sp. U.Paleocene-L.Oligocene Necrosdasypus probably Necrodasypus, see Placosaurus Nectoportheus see Mosasaurus U.Cretaceous N. validus U.Cretaceous Nectosaurus U.Triassic N. halius U.Triassic Negevodus a Temnospondyl, see Amphibia Index N. ramonensis Triassic Neoaetosauroides 1.5 m? U.Triassic N. engaeus(engaens) 18 cm 1 m Norian-Rhaetian Neopliosaurus U.Cretaceous N. no species cited indeterminate material Senonian Neoprocolophon L.Triassic N. asiaticus 6 cm? Olenekian Neosaurus L.Permian N. cynodus 1 m? Autunian Neusticosaurus 30 cm M-U.Triassic N. cf. Pusillus N. edwardsi(edwardsii) 35 cm? 1.2 m Ladinian N. peyeri 55 cm Ladinian N. pusillus 52 cm Ladinian-Carnian N. pygmaeus see Neusticosaurus pusillus N. sp. Ladinian N. staubi 58 cm Anisian-Ladinian N. toeplitschi 17 cm? Ladinian Nicrosaurus 4.9 m? U.Triassic N. buceros Norian N. dumblianus see Palaeoctonus dumblianus U.Triassic N. ganei U.Triassic N. gregorii(gregoryi) probably Machaeroprosopus gregorii N. kapffi(kaptfi) see Mystriosuchus westphali Norian N. maleriensis U.Triassic N. meyeri see Mystriosuchus westphali Norian N. orthodon see Palaeoctonus orthodon U.Triassic N. sp. Norian N. superciliosus U.Triassic N. validus U.Triassic Nicteroleter see Nycteroleter Nitosaurus L.Permian N. jacksonorum L.Permian Nochelesaurus see Embrithosaurus M.Permian N. alexandri see Embrithosaurus alexandri M.Permian N. strubeni see Bradysaurus strubeni M.Permian Nordenosaurus U.Miocene N. magnus a crocodile U.Miocene Noteosaurus see Mesosaurus L.Permian N. africanus see Mesosaurus tenuidens L.Permian Noteosuchus U.Permian N. colletti U.Permian Nothosaurus 3 m M-U.Triassic N. aduncidens see Simosaurus or Nothosaurus giganteus N. andriani see Nothosaurus giganteus Ladinian N. angustidens N. angustifrons see Nothosaurus giganteus N. baruthicus see Nothosaurus giganteus N. bergeri see Nothosaurus mirabilis N. blezingeri N. bronni Triassic N. cf. Friedericianus see Nothosaurus marchicus N. cf. Marchicus see Nothosaurus marchicus N. cf. Raabi see Nothosaurus marchicus N. chelydrops see Nothosaurus giganteus Carnian N. clavatus N. crassus see Nothosaurus marchicus N. cuvieri nomen dubium N. cymatosauroides Ladinian N. edingerae 14 cm? 91 cm? Ladinian-Carnian N. giganteus(giganteurs) 75 cm 4.9 m? Anisian-Ladinian N. haasi 12.3 cm 80 cm? Anisian-Ladinian N. hecki N. jagisteus N. juvenilis 12.6 cm 82 cm? Anisian-Ladinian N. koenigi see Nothosaurus juvenilis N. latifrons see Cymatosaurus latifrons N. latifrous see Cymatosaurus latifrons N. latissimus see Germanosaurus latissimus N. marchicus 20 cm? 1.3 m? Anisian N. mirabilis(mirobilis) 46 cm 3 m Anisian-Ladinian N. mougeoti see Simosaurus mougeoti Anisian-Ladinian N. munsteri see Nothosaurus mirabilis N. oldenbergi see Nothosaurus marchicus N. parva see Nothosaurus marchicus N. picardi nomen dubium N. procerus see Nothosaurus marchicus Anisian N. p. var. parva see Nothosaurus marchicus N. raabi see Nothosaurus marchicus Anisian N. schimperi nomen dubium N. schroederi see Nothosaurus marchicus N. sp. 122 cm Anisian N. sp. see Nothosaurus tchernovi Anisian-Ladinian N. strunzi see Pistosaurus longaevus N. tchernovi 28 cm 1.8 m? Anisian-Ladinian N. unexpectus Anisian N. venustus Anisian N. winterswijkensis 12.7 cm Anisian Notiosaurus see Megalania U.Pleistocene N. dentatus see Megalania prisca Rancholabrean Notosaurus see Mesosaurus Nucras Oligocene-Recent N. succinea see Succinilacerta succinea Eocene-Holocene N. tessellata see Nucras succinea Nyasasaurus Nyasaurus see Nyasasaurus Nycteroleter U.Permian N. bashkyricus Kazanian N. ineptus Kazanian-Tatarian N. kassini possibly not Nycteroleterid N. ultimus see Karpinskiosaurus ultimus, in Amphibia Index Nyctiboetus U.Permian Nyctiphruretes see Nyctiphruretus N. acudens see Nyctiphruretus acudens Nyctiphruretus 4.4 cm 36 cm U.Permian N. acudens 2.5 cm U.Permian N. optabilis U.Permian Occitanosaurus 25 cm 4.1 m L.Jurassic N. tournemirensis 4.1 m Toarcian Ocoyuntaia L.Triassic O. arquata nomen dubium L.Triassic Odaxosaurus U.Cretaceous-L.Eocene cf. O. sp. Campanian O. cf. Piger Torrejonian O. obliquus see Odaxosaurus piger Maastrichtian O. piger Maastrichtian-Tiffanian O. sp. Maastrichtian-Wasatchian O. sp. Campanian O. sp. Puercan Odontomophis see Necrosaurus O. atavus see Necrosaurus cayluxi Odoxosaurus see Odaxosaurus U.Paleocene O. sp. Tiffanian Oedaleops 10 cm 50 cm L-U.Permian O. campi L-U.Permian Oedalepos see Oedaleops O. campi see Oedaleops Oedalops see Oedaleops Ogmodirus U.Cretaceous O. ischiadicus see Alzadasaurus kansasensis U.Cretaceous O. martinii U.Cretaceous Oligodontosaurus U.Paleocene cf. O. sp. Torrejonian O. wyomingensis U.Paleocene Oligolycus see Nothosaurus O. hecki Oligosimus U.Cretaceous Olindalacerta L.Cretaceous Omoiotyphlops U.Eocene-L.Oligocene O. edwardsi U.Eocene-L.Oligocene Omosaurus see Nicrosaurus U.Triassic Omphalosaurus 2.8 m M.Triassic O. cf. Nevadanus Ladinian O. nettarhynchus M.Triassic O. nevadanus M.Triassic O. nisseri M.Triassic O. wolfi see Omphalosaurus cf. nevadanus Opeosaurus see Simosaurus M.Triassic O. suevicus see Simosaurus or Nothosaurus giganteus Opetiosaurus see Aigialosaurus bucchichi O. bucchichi 18 cm 1.8 m M.Cretaceous Ophiacodon 28 cm 3.7 m 205 kg U.Pennsylvanian-L.Permian O. cf. Uniformis L.Permian O. grandis see Eryops grandis, in Amphibia Index O. hilli L.Permian O. major 3 m? Leonardian O. mirus 30 cm? 1.6 m L.Permian O. navajovicus L.Permian O. retroversus 45 cm? 45 cm? 2.2 m Wolfcampian O. sp. L.Permian O. triangulata L.Permian O. uniformis 27 cm? 70 cm? L.Permian O. watsoni Wolfcampian Ophiodeirus see Araeoscelis L.Permian O. casei see Araeoscelis casei Wolfcampian Ophiomorphus Ophipseudopus M.Eocene O. gracilis 1 cm? Lutetian Ophisauriscus M.Eocene aff. O. eucarinatus see Necrosaurus eucarinatus O. quadrupes 1 cm? 14 cm? Lutetian Ophisaurus Eocene-Recent O. acuminatus 25 cm? Pontian O. attenuatus living Slender Glass Lizard U.Pliocene-Recent O. bibronianus nomen dubium U.Miocene O. canadensis U.Miocene O. cf. Sp. Vindobonian O. compressus living Island Glass Lizard Irvingtonian-Recent O. fejfari Agenian O. hallensis see Ophisauriscus quadrupes Lutetian O. harti see Dopasia harti O. intermedius see Ophisaurus pannonicus O. koellikeri U.Blancan O. laurillardi nomen dubium U.Miocene O. moguntinus 1.4 m? U.Oligocene-U.Miocene O. novorossicus see Ophisaurus pannonicus O. pannonicus 10 cm? 2 m? U.Miocene-Pleistocene O. picteti 42 cm? U.Eocene O. roqueprunensis L.Oligocene O. rugosus nomen dubium M.Oligocene O. sp. U.Eocene-U.Pleistocene O. sp. Aquitanian-Burdigalian O. sp. Barstovian O. spinari Agenian O. ulmensis see Ophisaurus moguntinus O. ventralis living Eastern Glass Lizard Barstovian-Recent O. voigti see Ophisaurus hallensis Lutetian Ophisthias see Opisthias U.Jurassic Ophthalmosaurus 1 m 4.9 m? U.Jurassic O. cantabrigiensis L.Cretaceous O. discus Oxfordian O. icenicus 1 m 4 m M-U.Jurassic O. monocharactus see Ophthalmosaurus sp. Tithonian O. natans see Baptanodon natans U.Jurassic O. sp. Tithonian O. sp. Jurassic O. sp. M-U.Jurassic O. undorensis Kimmeridgian Opisthias U.Jurassic O. rarus 3 cm? Tithonian O. sp. Purbeckian Oplurus U.Pleistocene-Recent O. sp. Rancholabrean Orenburgia L-M.Triassic O. bruma see Orenburgia enigmatica Olenekian O. concinna O. enigmatica 4.5 cm Olenekian O. majmesculae see Kapes majmesculae Oreosaurus pre-occupied, see Xestops O. gracilis see Xestops gracilis O. lentus see Xestops lentus O. microdus see Xestops microdus O. minutus see Xestops minutus O. vagans see Xestops vagans Ornithosuchus 25 cm 4 m? 50 kg U.Triassic O. longidens 3.3 m Carnian O. rusconii O. stormbergi U.Triassic O. taylori see Ornithosuchus longidens Carnian O. woodwardi see Ornithosuchus longidens Carnian Oronosaurus 1.5 m 12.3 m? U.Cretaceous Orophosaurus U.Cretaceous Ostodolepis Permian O. brevispinatus Permian Oterognathus see Plioplatecarpus O. houzeaui see Plioplatecarpus houzeaui Otischalkia U.Triassic O. elderae Ototriton Lestophis L.Eocene O. anceps see Lestophis anceps Wasatchian O. minor see Jepsibaena minor Wasatchian O. solidus 3.2 cm 77 cm? Wasatchian Otschevia U.Jurassic O. alekseevi U.Jurassic O. pseudoscythica Tithonian O. zhuravlevi Tithonian Owenetta 3.5 cm 41 cm U.Permian-L.Triassic O. kitchingorum 2.5 cm? 29 cm? L.Triassic O. rubidgei 3.5 cm 41 cm U.Permian O. sp. U.Permian Oxia L.Cretaceous O. karakalpakiensis Albian-Coniacian Oxyodon see Sphenacodon L.Permian O. britannicus see Sphenacodon britannicus Pachastrophaeus see Pachystropheus Pachycostasaurus 64 cm? 2.8 m U.Jurassic P. dawni 2.8 m Callovian Pachygenys L.Cretaceous P. thlastesa Barremian Pachygonosaurus M.Triassic Pachypleura see Pachypleurosaurus P. edwardsii see Neusticosaurus edwardsii P. pusillus see Neusticosaurus pusillus Pachypleurosaurus 122 cm M.Triassic P. cf. Staubi see Neusticosaurus pusillus P. edwardsi(edwardsii) see Neusticosaurus pusillus Anisian-Ladinian P. staubi see Neusticosaurus staubi M.Triassic Pachystropheus U.Triassic P. rhaeticus Rhaetian Pachysuchus L.Jurassic P. imperfectus indeterminate material Hettangian Pachyvanarus probably Pachyvaranus Pachyvaranus U.Cretaceous Paikasisaurus L-M.Jurassic P. indicus L-M.Jurassic Palacagama see Palaeagama P. vielhaueri see Palaeagama vielhaueri Palacrodon L.Triassic P. browni L.Triassic Palaeagama 15 cm? U.Permian-L.Triassic P. vielhaueri 2.7 cm 12 cm? L.Triassic Palaeoboa see Lestophis Eocene Palaeochamaleo see Weigeltisaurus P. europaeus see Uromastyx europaeus U.Eocene-L.Oligocene P. jaekeli see Weigeltisaurus jaekeli Palaeoctonus see Rutiodon U.Triassic P. appalachianus Carnian P. aulacodus U.Triassic P. dumblianus P. dumblinus U.Triassic P. orthodon U.Triassic Palaeohatteria see Haptodus L.Permian P. longicaudata see Haptodus longicaudata L.Permian Palaeolacerta U.Jurassic P. bavarica(bavariscus) 6 cm? U.Jurassic Palaeonornis see Rutiodon Palaeopleurosaurus 5 cm 60 cm L.Jurassic P. posidonae L.Jurassic Palaeosaniwa 2.8 m U.Cretaceous cf. P. canadensis Maastrichtian-Torrejonian P. canadensis Campanian-Eocene P. obtusus Maastrichtian P. wyomingensis Maastrichtian Palaeosauriscus see Palaeosaurus U.Triassic Palaeosaurus see Necrosaurus P. cayluxi see Necrosaurus cayluxi P. fraserianus Carnian P. sternbergi(sternbergii) see Sphenosaurus sternbergi, in Amphibia Index Palaeoscincosaurus L.Paleocene P. middletoni Puercan Palaeosphenodon see Haptodus P. longicaudatus see Haptodus baylei Palaeovaranus see Necrosaurus P. cayluxi see Necrosaurus cayluxi & Varanus P. filholi see Necrosaurus cayluxi Palaeoxantusia M.Paleocene-L.Oligocene P. allisoni Uintan P. borealis Chadronian P. cf. Borealis Chadronian P. cf. Fera Torrejonian P. fera 1 cm? Torrejonian-Wasatchian P. kyrentos Uintan P. sp. Bridgerian P. sp. Chadronian Paleoboa see Lestophis M.Eocene P. crassa see Lestophis crassus Bridgerian Paleopleurosaurus see Palaeopleurosaurus Paleorhinus 80 cm 4 m L-U.Triassic P. angustifrons U.Triassic P. bransoni Carnian P. broili(broilii) U.Triassic P. ehlersi 80 cm 2.5 m U.Triassic P. fraasi Scythian-Ladinian P. hislopi Tuvalian P. latus U.Triassic P. magnoculus see Arganarhinus U.Triassic P. neukami U.Triassic P. parvus U.Triassic P. sawini U.Triassic P. scurriensis 60 cm 2 m U.Triassic P. sp. U.Triassic P. trauthi U.Triassic Paleothyris 3 cm 25 cm M.Pennsylvanian P. acadiana M.Pennsylvanian Paleoxantusia see Palaeoxantusia M.Paleocene-L.Oligocene P. sp. U.Oligocene Paliguana 2.8 cm 30 cm U.Permian-L.Triassic P. whitei 2.8 cm 30 cm L.Triassic Pallaeohatteria probably Palaeohatteria, see Haptodus P. longicaudata see Haptodus baylei Pallisteria M.Triassic Pamizinsaurus M.Cretaceous P. tlayuaensis 1 cm? 5 cm? Albian Pancelosaurus U.Cretaceous P. pawneensis see Parophisaurus pawneensis P. piger see Proxestops silberlingii Campanian P. sp. Maastrichtian Pantelosaurus see Haptodus L.Permian P. longicaudata see Haptodus P. saxonicus see Haptodus saxonicus L.Permian Pantosaurus U.Jurassic P. striatus U.Jurassic Paoteodon U.Triassic P. huanghoensis U.Triassic Papresto Parabradysaurus see Scutosaurus P. dubius nomen nudum P. silantjevi P. udmurticus M.Permian Paracaptorhinius see Paracaptorhinus Paracaptorhinus L.Permian P. neglectus 10 cm? L.Permian Paracontogenys U.Eocene P. estesi U.Eocene Paradapedon 20 cm 1.5 m U.Triassic P. huxleyi 30 cm 46 cm 1.5 m U.Triassic P. indicus see Parasuchus huxleyi? M.Triassic Paraderma U.Cretaceous P. bogerti Campanian-Maastrichtian Paraderms probably Paraderma U.Cretaceous P. sp. Maastrichtian Paradipsosaurus U.Eocene-L.Oligocene P. mexicanus 2.7 cm U.Eocene-L.Oligocene Paragerrhonotus L.Pliocene cf. P. ricardensis M.Miocene P. ricardensis Clarendonian Paraglyphanodon U.Cretaceous P. gazini Maastrichtian P. utahensis Maastrichtian Paraglyptosaurus 12.5 cm L-M.Eocene cf. P. hillsi cf. P. princeps Wasatchian P. cf. Hillsi Bridgerian P. cf. Yatkolai Wasatchian P. hillsi Bridgerian P. princeps see Glyptosaurus sylvestris Wasatchian P. sp. Wasatchian P. yatkolai Wasatchian Paramacellodus 1 cm? U.Jurassic cf. P. keebleri Aptian-Albian P. oweni Tithonian P. sp. Tithonian P. sp. Cf. Oweni Kimmeridgian Parameiva U.Cretaceous P. oculea U.Cretaceous Paranothosaurus 4 m M.Triassic P. amsleri see Nothosaurus giganteus Paranotinosaurus probably Paranothosaurus, see Nothosaurus Paranthosaurus see Paranothosaurus M.Triassic Paraophthalmosaurus U.Jurassic P. saratoviensis see Paraophthalmosaurus sp.? Tithonian P. saveljeviensis Tithonian P. sp.? Tithonian P. yasykovi Tithonian Paraphrynosoma L.Oligocene P. greeni Orellan Paraplacodus M.Triassic P. broilii(broili) Anisian-Ladinian Paraprionosaurus Paleocene-M.Eocene P. silberlingii see Proxestops silberlingi Paleocene P. wyomingensis Bridgerian Parapseudopus M.Eocene P. hallensis see Ophisaurus hallensis Lutetian P. minor see Ophisaurus hallensis Lutetian Parasaniwa U.Cretaceous-M.Eocene P. obtusa see Parasaniwa wyomingensis Maastrichtian P. sp. Maastrichtian-Bridgerian P. wyomingensis Campanian-Maastrichtian Parasauromalus L-M.Eocene aff. P. paleocenicus see Plesiolacerta paleocenica P. olseni 4.5 cm Wasatchian-Uintan Parasaurus U.Permian P. geinitzi Capitanian P. striatus see Pantosaurus striatus Parasuchus 3 m U.Triassic P. hislopi M.Triassic P. huxleyi Paratypothorax U.Triassic P. andressorum(andressi) Carnian-Rhaetian P. ornatus Carnian P. sp. Triassic Parauromastyx U.Cretaceous P. gilmorei U.Cretaceous Paravaranus U.Cretaceous P. angustifrons 2.7 cm Campanian Paraxestops U.Eocene P. stehlini U.Eocene Pareiasauroides U.Permian P. henneni U.Permian Pareiasaurus 2.5 m U.Permian P. acutirostris see Koalemasaurus acutirostris P. americanus U.Permian P. baini see Bradysaurus baini P. bombidens see Bradysaurus bombidens P. elegans see Scutosaurus karpinskii Tatarian P. henneni see Pareiasauroides henneni P. horridus see Scutosaurus karpinskii Tatarian P. karpinskii(karpinsky) see Scutosaurus karpinskii Tatarian P. nasicornis 50 cm U.Permian P. omocratus U.Permian P. parvus U.Permian P. peringueyi U.Permian P. pinnatus U.Permian P. pulcher U.Permian P. rubidgei 50 cm U.Permian P. russouwi U.Permian P. serridens(serrideus) 40 cm? U.Permian P. sp. U.Permian P. strubeni see Nochelesaurus strubeni? U.Permian P. tuberculatus see Scutosaurus karpinskii Tatarian P. vjatkensis see Deltavjatia vjatkensis Pareiasuchus see Pareiasaurus U.Permian P. elegans see Scutosaurus karpinskii P. horridus see Scutosaurus karpinskii P. nasicornis see Pareiasaurus nasicornis U.Permian P. peringueyi see Pareiasaurus peringueyi U.Permian P. tuberculatus see Scutosaurus karpinskii P. vjatkensis see Deltavjatia vjatkensis Pareiosaurus see Pareiasaurus P. elegans see Scutosaurus karpinskii P. horridus see Scutosaurus karpinskii P. karpinskii see Scutosaurus karpinskii P. tuberculatus see Scutosaurus karpinskii Pareisaurus see Pareiasaurus P. baini see Pareiasaurus baini Pareodura U.Pleistocene-Recent P. sp. Rancholabrean Pariasaurus see Pareiasaurus Pariotichus see Captorhinus L.Permian P. aduncus see Captorhinus aguti Leonardian P. aguti see Captorhinus aguti P. angusticeps see Captorhinus aguti P. brachyops(brachiops) Wolfcampian P. incisivus see Captorhinus aguti P. isolemus(isolomus) see Captorhinus aguti Leonardian P. laticeps see Captorhinus aguti P. sp. Wolfcampian Parodaxosaurus M.Paleocene P. sanjuanensis Torrejonian Parophisaurus M.Oligocene P. pawneensis Chadronian-Orellan Parringtonia M.Triassic P. gracilis Anisian Partanosaurus see Parthanosaurus M.Triassic P. zitteli see Simosaurus cf. Gaillardoti Parthanosaurus see Simosaurus M.Triassic P. zitteli see Simosaurus cf. Gaillardoti Parviderma U.Cretaceous P. inexacta 5 cm Campanian Parvinatator L-M.Triassic P. wapitiensis <1 m L-M.Triassic Parviraptor U.Jurassic-L.Cretaceous Patricosaurus L.Cretaceous P. merocratus nomen dubium Albian Pattsia Triassic Pectenosaurus see Tanystropheus Pelecymala U.Triassic P. robustus Rhaetian Peloneustes 58 cm 4.3 m U.Jurassic P. evansi Oxfordian P. irgisensis see Strongylokrotaphus irgisensis P. philarchus 58 cm 4.3 m Callovian Peltosaurus U.Cretaceous-L.Miocene cf. P. sp. Arikareean P. abbotti 4.5 cm M-U.Oligocene P. floridanus see Peltosaurus granulosus P. granulosus 4.8 cm 60 cm? Orellan P. jepseni see Proxestops silberlingii Tiffanian P. macrodon see Glyptosaurus macrodon P. minimus see Eumeces minimus Arikareean P. piger see Odaxosaurus piger Maastrichtian P. sp. U.Oligocene-L.Miocene P. sp. Torrejonian P. sp. Oligocene P. sp. Orellan P. sp. Wasatchian-Oligocene P. sp. Chadronian Peneteius U.Cretaceous P. aquilonius Campanian-Maastrichtian P. sp. U.Cretaceous Pentaedrusaurus L.Triassic P. ordosianus L.Triassic Pentatarsostinus see Plesiosaurus Perparvus U.Triassic Pessopteryx see Omphalosaurus P. arctica indeterminate material Spathian P. minor see Isfjordosaurus minor Spathian P. nisseri M.Triassic P. pinguis indeterminate material Spathian Pessosaurus M.Triassic P. polaris questionable validity M.Triassic Petrobates see Amphibia Index L.Permian Petrolacosaurus 1.8 cm 41 cm? U.Pennsylvanian P. kansensis(kansansis) 1.8 cm 20 cm Stephanian Petrophryne Triassic P. granulata Triassic Peurcosaurus L.Permian Peyerus see Leptocleidus L.Cretaceous P. capensis 28 cm 2.8 m L.Cretaceous Phaanthosaurus L.Triassic P. ignatjevi 1.5 cm? Induan Phalarodon M.Triassic P. fraasi see P. nordenskioeldii M.Triassic P. nordenskioeldii 1.5 m Triassic Phanerosaurus see Amphibia Index Phelsuma U.Pleistocene-Recent P. cepediana 10 cm? Holocene P. cf. Guentheri Holocene P. gigas 33 cm? Holocene P. newtoni see Phelsuma gigas P. sp. U.Pleistocene Phigosaurus Triassic Phocosaurus see Therapsid Index Phosphorosaurus U.Cretaceous P. ortliebi see Halisaurus ortliebi? Phreatophasma U.Permian P. aenigmaticum Kazanian Phrynosoma M.Miocene-Pleistocene cf. P. douglassi Irvingtonian P. adinognathus L.Pleistocene P. anzaense Blancan-Irvingtonian P. cf. Douglassi M.Miocene P. cornutum living Texas Horned Lizard U.Pliocene-Recent P. coronatum living Coast Horned Lizard Rancholabrean-Recent P. douglassi living Short-horned Lizard Rancholabrean-Recent P. greeni see Paraphrynosoma greeni Orellan P. holmani U.Pliocene P. josecitensis Pleistocene P. modestum living Roundtail Horned Lizard Rancholabrean-Recent P. orbiculare Pleistocene P. platyrhinos living Desert Horned Lizard Rancholabrean-Recent P. sp. Pleistocene P. sp. Blancan-Irvingtonian P. sp. Hemphillian P. sp. U.Miocene Phrynosomimus U.Cretaceous P. asper U.Cretaceous Phygosaurus 76 cm M.Triassic P. perledicus see Serpianosaurus mirigiolensis Phyllodactylus M.Miocene-Recent cf. P. sp. M.Miocene Physignathus M.Miocene-Recent P. leseurii Phytosaurus see Nicrosaurus, Rutiodon & Palaeoctonus P. buceros U.Triassic P. cylindricon nomen dubium U.Triassic P. doughtyi see Rutiodon doughtyi U.Triassic P. dumblianus see Palaeoctonus dumblianus P. kapfi(kapffi) see Mystriosuchus westphali U.Triassic P. megalodon possibly Angistorhinus U.Triassic P. orthodon see Palaeoctonus orthodon P. plieningeri see Mystriosuchus westphali P. scolopax U.Triassic Picrocleidus see Muraenosaurus U.Jurassic P. beloclis see Muraenosaurus beloclis Piocormus see Sapheosaurus U.Jurassic-L.Cretaceous P. laticeps 3 cm? U.Jurassic Piptomerus U.Cretaceous P. hexagonus U.Cretaceous P. megaloporus U.Cretaceous P. microporus U.Cretaceous Piramicephalosaurus U.Cretaceous P. cherminicus U.Cretaceous Piratosaurus U.Cretaceous Piscosaurus see Elasmosaurus P. carinatus see Elasmosaurus platyurus Pistosaurus 20 cm 4 m M.Triassic P. grandaevus see Pistosaurus longaevus Ladinian P. longaevus Anisian P. typus see Pistosaurus longaevus Placochelyanus see Placochelys U.Triassic P. malanchinii see Psephoderma alpinum P. stoppanii see Psephoderma alpinum Placochelys 15 cm 1 m U.Triassic P. af. Boni see Psephoderma alpinum P. alpissordidae(alpis-sor-disee Psephoderma alpinum U.Triassic P. malanchinii see Psephoderma alpinum U.Triassic P. placodonta 14 cm? 80 cm? Carnian P. stoppanii see Psephoderma alpinum U.Triassic P. zittelli see Psephoderma alpinum U.Triassic Placodus 25 cm 3 m? L-M.Triassic P. aethiopi see Placodus gigas P. aethiops see Placodus gigas P. andriani see Placodus gigas M.Triassic P. angustus see Placodus gigas P. antiquior see Placodus gigas P. bathygnathus see Placodus gigas P. bombidens see Placodus gigas P. duplicatus see Tholodus P. gigas 21.6 cm 2.5 m Anisian-Ladinian P. gracilis indeterminate material P. hypsicephalus see Placodus gigas P. hypsiceps see Placodus gigas P. impressus see Placodus gigas P. laticeps see Cyamodus muensteri P. munsteri see Cyamodus muensteri P. pachygnathus see Placodus gigas P. quinimolaris see Placodus gigas P. rostratus see Cyamodus rostratus P. rugosus see Placodus gigas P. sp. L.Jurassic? P. strunzi see Placodus gigas P. zitteli see Psephoderma alpinum Placosauriops M.Eocene P. abderhaldeni 16 cm M.Eocene P. weigelti 20 cm? M.Eocene Placosauroides probably Placosauriops M.Eocene P. abderhaldeni probably Placosauriops abderhaldeni Placosaurus M.Eocene-L.Oligocene P. cayluxi nomen dubium U.Eocene P. europaeus 7 cm U.Eocene P. galliae nomen dubium U.Eocene P. gaudryi nomen dubium U.Eocene P. leenhardti see Placosaurus quercyi P. margariticeps U.Eocene P. mongoliensis M-U.Eocene P. quercyi 6 cm? U.Eocene P. rugosus U.Eocene P. sp. U.Eocene P. waltheri nomen dubium Lutetian Placotherium see Placosaurus M.Eocene P. waltheri see Placosaurus waltheri Lutetian Planocephalosaurus 3.4 cm 20 cm U.Triassic P. robinsonae 18 mm 15 cm Rhaetian P. sp. Platecarpus 70 cm 5.8 m M-U.Cretaceous P. abruptus see Platecarpus coryphaeus Maastrichtian P. af. Somenensis P. anguligerus(anguiliferus) U.Cretaceous P. bocagei Turonian P. cf. Somenensis P. clidastoides see Ectenosaurus clidastoides P. coryphaeus 60 cm 5.8 m Santonian P. curtirostris U.Cretaceous P. glandiferus U.Cretaceous P. ictericus Santonian P. intermedius nomen dubium P. latispinus U.Cretaceous P. mudgei U.Cretaceous P. planifrons Santonian P. ptychodon Maastrichtian P. somenensis see P. tympaniticus or Plioplatecarpus somenensis P. sp. U.Cretaceous P. sp. Campanian P. tectulus U.Cretaceous P. tympaniticus 6.2 m Santonian Platydactylus see Gekko P. minutus see Gekko minutus Platyoropha see Bradysaurus M.Permian P. broomi see Bradysaurus broomi Platyorpha probably Platyoropha, see Brachypareia P. broomi see Brachypareia watsoni Platypterygius 7 m L-U.Cretaceous P. americanus 7 m U.Cretaceous P. australis 131 cm 7 m L-U.Cretaceous P. bannovkensis Cenomanian P. bedengensis Hauterivian P. birjukovi Hauterivian P. compylodon L-U.Cretaceous P. hauthali P. hercynicus see Ichthyosaurus hercynicus P. kiprijanoffi 82 cm? Albian-Cenomanian P. longmani 7 m Albian P. platydactylus P. steleodon Hauterivian-Barremian Platyrhachis see Rhineura P. coloradensis see Rhineura coloradensis Orellan P. rhambastes see Cremastosaurus carinicollis P. unipedalis see Cremastosaurus unipedalis Plesiolacerta U.Paleocene-L.Oligocene P. lydekkeri Headonian P. paleocenica U.Paleocene Plesiopleurodon 70 cm 2.85 m M.Cretaceous P. wellesi 70 cm 2.85 m Cenomanian Plesiorhineura M.Paleocene P. tsentasi Torrejonian Plesiosaurus 20 cm 4.9 m L.Jurassic P. affinis P. arcuatus see Eurycleidus arctuatus P. australis see Mauisaurus haasti(some material indeterminate) P. balticus see Cimoliasaurus? P. bavaricus P. bernardi see Cyrmocetus bernardi? Senonian P. bitractensis P. bomalospondylus see Plesiosaurus homalospondylus P. brachistospondylus P. brachycephalus see Plesiosaurus macrocephalus P. brachypterygins see Plesiosaurus brachypterygius P. brachypterygius see Plesiosaurus guilelmiimperatoris? P. brevis P. capensis P. carinatus P. cf. Guilelmiimperatoris P. chilensis P. cliduchus see Thalassiodracon hawkinsi P. compressus P. constrictus P. conybeari 4.9 m L.Jurassic P. conybeare see Attenborosaurus conybeare P. costatus P. cramptoni see Rhomaleosaurus cramptoni P. crassicostatus indeterminate material Maastrichtian P. cycnodeirus P. depressicostatus P. depressus P. dibothricus P. doedicomus non-pleiosauran P. dolichodeirum see Plesiosaurus dolichodeirus P. dolichodeirus 21 cm 3.5 m Sinemurian P. dolichodirus see Plesiosaurus dolichodeirus P. eleutheraxon indeterminate material, but probably Thalassiodracon hawkin P. ellipsospondylus P. erraticus P. etheridgii see Thalassiodracon hawkinsi P. eurymerus see Cryptoclidus eurymerus Callovian P. euryspondylus P. guilelmiimperatoris 3.4 m Toarcian P. gulo P. gurgitis P. hawkinsii(hawkinsi) see Thalassiodracon hawkinsi P. helmersenii indeterminate material Campanian P. hesternus U.Jurassic P. hexagonalis P. hexatarsostinus see Thalassiodracon hawkinsi P. holmesi indeterminate material Maastrichtian P. homalospondylus see Microcleidus P. homospondylus P. hoodi indeterminate material Maastrichtian P. houzeaui P. ichthyospondylus see Cimoliasaurus? P. indicus P. infraplanus P. latispinus P. leptopleuron P. levis L. lockwoodi see Taphrosaurus lockwoodii P. longirostris see Macroplata longirostris P. mackayi indeterminate material Maastrichtian P. macrocephalus 3.23 m Sinemurian P. macromus see Plesiosaurus dolichodeirus P. macropterus see Microcleidus L.Jurassic P. macrospondylus Cretaceous P. macrourus see Plesiosaurus dolichodeirus P. manselli P. mauritanicus Maastrichtian P. megacephalus see Eurycleidus megacephalus P. megapleuron P. megdeirus P. mexicanus P. microdeirus P. morinicinus P. neocomiensis P. nordmanni indeterminate material L.Cretaceous P. nothosauroides P. novomexicanus Cretaceous P. ophiodeirus P. oxoniensis see Cryptoclidus oxoniensis P. pachyomus P. pectopleuron P. pentagonus P. philarchus see Peloneustes philarchus P. phillipsi P. planus P. p. trigonallis P. platydeirus P. plicatus P. poecilospondylus P. posiondoniae P. priscus see Plesiosaurus dolichodeirus P. propinquus see Rhomaleosaurus P. robustus P. rostratus see Archaeonectrus rostratus P. rugosus see Eretmosaurus rugosus P. simpsoni P. sp. Cretaceous P. sp. L.Jurassic P. speciosus see Nothosaurus mirabilis P. subconcavus P. subdepressus P. subplanus P. subtrigonus P. suevicus P. suprajurensis see Dakosaurus suprajurensis, in Crocodylia Index P. sutherlandi Cretaceous P. tournemirensis see Occitanosaurus tournemirensis P. traversi indeterminate material Maastrichtian P. triatarsostinus see Thalassiodracon hawkinsi P. trigonus P. tritarsostinus see Thalassiodracon hawkinsi P. trochanterius see Colymbosaurus trochanterius P. truncatus P. validus P. winspitensis P. zetlandicus see Rhomaleosaurus zetlandicus Plesiotylosaurus 1 m 10.15 m U.Cretaceous P. crassidens 91 cm 10.15 m Maastrichtian Plesiotyrannus possibly Plesiotylosaurus P. crassidens possibly Plesiotylosaurus Plestiodon P. galliae see Agama galliae P. quercyi see Placosaurus quercyi Pleuradontagama see Pleurodontagama Pleuristion see Protocaptorhinus L.Permian P. brachycoelus(brachycoeloussee Protocaptorhinus pricei L.Permian Pleurodontagama U.Cretaceous P. aenigmatodes Campanian Pleurodus see Placodus Pleurosaurus 79 mm 60 cm U.Jurassic-L.Cretaceous P. ginsburgi 79 mm 60 cm L.Cretaceous P. goldfussi 79 mm 60 cm U.Jurassic Plioplatecarpus 7.7 m? U.Cretaceous P. cf. Primaevus Campanian P. crassartus P. depressus U.Cretaceous P. houzeaui 4.6 m U.Cretaceous P. marshi(marshii) 6 m Maastrichtian P. primaevus 45 cm 7 m Campanian P. scanicus P. somenensis P. sp. 1 m 7 m Pliosaurus 2 m 12.3 m? L-U.Jurassic P. andrewsi Callovian P. brachistospondylus probably Pliosaurus brachyspondylus P. brachydeirus 10.15 m P. brachyspondylus U.Jurassic P. cf. Grandis see Liopleurodon rossicus? P. chiliensis P. evansi M.Jurassic P. ferox P. giganteus see Liopleurodon ferox? Oxfordian P. grandis 10.8 m Oxfordian P. irgisensis 98 cm? 6.15 m Tithonian P. macromerus(macromerius) see Liopleurodon macromerus Callovian-Kimmeridgian P. portlandicus see Colymbosaurus trochanterius P. rossicus see Liopleurodon rossicus Tithonian P. rostratus L.Jurassic P. sp. Oxfordian P. trochanterius see Machimosaurus hugii?, in Crocodylia Index P. wosinskii see Pliosaurus brachyspondylus? Plotosaurus 60 cm 13.2 m U.Cretaceous P. bennisoni 38 cm 8.9 m Maastrichtian P. tuckeri 60 cm 13.2 m Maastrichtian Pluridens 9.2 m U.Cretaceous P. walkeri 9.2 m Maastrichtian Plutoniosaurus U.Cretaceous P. bedengensis see Platypterygius bedengensis Podargosaurus see Petrolacosaurus Podopteryx see Sharovipteryx P. mirabilis see Sharovipteryx mirabilis Poecilospondylus L.Permian P. francisi see Varanosaurus acutirostris Leonardian Pogona Pleistocene Poliosaurus see Ophiacodon L.Permian P. uniformis see Ophiacodon uniformis L.Permian Polrussia U.Cretaceous P. mongoliensis 1 cm Aptian Polycotylus 91 cm 5.2 m U.Cretaceous P. brevispondylus indeterminate material Cenomanian P. dolichops P. dolichopus see Polycotylus latipinnis & Dolichorhynchops sp. P. donicus indeterminate material Senonian P. epigurgitis indeterminate material Cenomanian P. ichthyospondylus P. i. Tanais indeterminate material Cenomanian P. ischiadicus see Thalassiosaurus ischiadicus P. latipinnis 5.2 m Santonian P. orientalis indeterminate material Senonian P. tenuis indeterminate material Maastrichtian P. ultimus indeterminate material Campanian Polyglyphanodon 8.3 cm 46 cm U.Cretaceous P. bajaensis Campanian P. sternbergi 8 cm 67 cm? Santonian-Campanian P. sternbergeri see Polyglyphanodon sternbergi? Polygonodon U.Cretaceous P. vetus a tooth that belongs to a fish Polyptychodon 172 cm 10.8 m U.Cretaceous P. arcahi P. continuus(continus) P. hudsoni P. interruptus 10.8 m P. mackesoni P. mexicanus see Plesiosaurus mexicanus P. neocomiensis P. patagonicus P. rugosus see Deinosuchus rugosus, in Crocodylia Index Polyodontosaurus U.Cretaceous P. grandis Campanian Polysphenodon U.Triassic P. muelleri U.Triassic P. sp. Pontosaurus L.Cretaceous Poposaurus U.Triassic P. gracilis U.Triassic P. sp. U.Triassic Postosuchus 50 cm 2 m(b) 4 m U.Triassic P. kirkpatricki Carnian Prestosuchus 4.8 m M.Triassic P. chiniquensis 71 cm? 1 m 4.8 m Norian P. loricatus Norian P. sp. Norian Pricea see Prolacerta P. longiceps L.Triassic Primaderma M.Cretaceous P. nessovi Albian-Cenomanian Prionosaurus see Exostinus P. regularis see Exostinus lancensis Maastrichtian Priosphenodon 1 m 15 kg L.Cretaceous P. avelasi 1 m 15 kg L.Cretaceous Priscagama U.Cretaceous P. gobiensis 2.8 cm Campanian Pristiguana U.Cretaceous P. brasiliensis 1 cm? U.Cretaceous Proaigialosaurus U.Jurassic Procerosaurus see Tanystropheus Procerosuchus M-U.Triassic P. celer 2.75 m U.Triassic Procolophon 5.7 cm 33 cm L.Triassic P. baini see Procolophon trigoniceps P. cuneiceps see Procolophon trigoniceps P. griersoni see Procolophon trigoniceps P. laticeps see Procolophon trigoniceps L.Triassic P. minor see Procolophon trigoniceps P. platyrhinus see Procolophon trigoniceps P. pricei L.Triassic P. sp. 4 cm 23 cm? L.Triassic P. sp. L.Triassic P. sphenorhinus see Procolophon trigoniceps P. trigoniceps 30 cm Scythian Procolophonoides L.Triassic Procotylus Prodenteia U.Cretaceous P. ministra U.Cretaceous Proelginia see Scutosaurus U.Permian P. permicus(permiana) see Scutosaurus karpinskii Proglyptosaurus L.Eocene P. huerfanensis(huefanensis) Ypresian Prognathodon 1.4 m 12.4 m? U.Cretaceous cf. P. giganteus Maastrichtian P. cf. Overtoni U.Cretaceous P. crassartus U.Cretaceous P. currii 1.4 m 12.4 m? U.Cretaceous P. giganteus 86 cm 10.15 m Campanian-Maastrichtian P. overtoni 71 cm 8.3 m U.Cretaceous P. rapax Maastrichtian P. saturator 140 cm? 10.7 m? Maastrichtian P. solvayi 60 cm 6.15 m Maastrichtian P. stadtmani 125 cm 10.5 m Campanian P. waiparensis(waiparaensis) 111 cm 10.8 m Maastrichtian Prognathosaurus see Prognathodon Progonosaurus Eocene Proiguana see Placosaurus P. europeana see Placosaurus europaeus Prolacerta 6.4 cm 1 m L.Triassic P. broomi L.Triassic P. sp. L.Triassic Prolacertoides L.Triassic P. jimusarensis L.Triassic Promystriosuchus see Paleorhinus U.Triassic P. ehlersi see Paleorhinus ehlersi Proneusticosaurus 76 cm M.Triassic P. carinthiacus Anisian-Ladinian P. madelungi Anisian-Ladinian P. silesiacus 76 cm Anisian-Ladinian Propappus see Pareiasaurus M-U.Permian P. omocratus see Pareiasaurus omocratus P. parvus see Pareiasaurus parvus P. rogersi see Pareiasaurus rogersi Proplatynota see Proplatynotia Proplatynotia 6.5 cm? U.Cretaceous P. longirostrata 4 cm U.Cretaceous Propodinema see Tupinambis P. oligocena see Tupinambis paranensis P. paranensis see Tupinambis paranensis Propseudopus see Ophisaurus P. cayluxi see Placosaurus cayluxi P. fraasii see Ophisaurus moguntinus P. voigti see Ophisaurus hallensis Protenodontosaurus U.Triassic P. italicus 10.3cm? Carnian Proteosaurus see Ichthyosaurus Proterochampsa 1.8 m U.Triassic P. barrionuevoi 44 cm 3.5 m? Carnian P. nodosa Carnian Proterosaurus see Protorosaurus Proterosuchus see Chasmatosaurus? L.Triassic P. fergusi see Proterosuchus vanhoepeni L.Triassic P. sp. U.Permian P. vanhoepeni L.Triassic P. yuani L.Triassic Protocaptorhinus L-U.Permian P. pricei Wolfcampian P. sp. Dzhulfian Protoclepsidrops see Protoclepsydrops Protoclepsydrops L.Pennsylvanian P. haplous Westphalian Protoichthyosaurus 2 m+ L.Jurassic P. prosostealis Hettangian P. prostaxalis Hettangian Protolacerta L.Jurassic P. patagonica nomen dubium L.Jurassic Protorosaurus 2 m U.Permian P. huxleyi see Adelosaurus huxleyi U.Permian P. speneri U.Permian Protorothyris L.Permian P. archeri 5 cm? Wolfcampian Protosaurus see Protorosaurus Prototeius U.Cretaceous P. stageri 2.2 cm Campanian Protrachysaurus see Placosaurus P. gaudryi see Placosaurus gaudryi Provaranosaurus M.Paleocene-L.Eocene cf. P. sp. Torrejonian-Wasatchian P. acutus 12 cm? Tiffanian P. sp. Wasatchian Proxestops L-M.Paleocene P. cf. Jepseni Tiffanian P. cf. Silberlingi Torrejonian P. jepseni see Proxestops silberlingii Puercan-Wasatchian P. piercei nomen dubium Wasatchian P. silberlingii Torrejonian P. sp. Puercan P. sp. Campanian Psephoderma 2 m U.Triassic P. alpinum(alpinus,alpina) 2 m Norian-Rhaetian P. anglicum may be Psephoderma alpinum Rhaetian P. raeticum see Macroplacus raeticum? Psephosaurus M-U.Triassic P. mosis belongs in different genus Anisian P. picardi Anisian-Ladinian P. ramonensis nomen nudum P. rhombifer see Psephosaurus sinaiticus Anisian P. sinaiticus Anisian P. sp. Triassic P. suevicus Ladinian Pseudeumeces U.Eocene-L.Oligocene P. cadurcensis 2 cm? Headonian P. pouiti see Ligerosaurus pouiti M.Miocene P. wahlbeckensis U.Paleocene Pseudolacerta L.Eocene-L.Oligocene P. lamandini 5 cm? U.Eocene-L.Oligocene P. mucronata see Plesiolacerta lydekkeri L.Eocene-L.Oligocene P. sp. L-U.Eocene Pseudolagosuchus 30 cm 107 cm 2 kg M.Triassic P. major 30 cm 107 cm 2 kg Ladinian Pseudopalatus Rutiodon U.Triassic P. andersoni possibly Rutiodon andersoni Norian P. buceros Norian-Rhaetian P. mccauleyi P. pristinus see Rutiodon pristinus Norian-Rhaetian Pseudopus see Ophisaurus P. fraasi see Ophisaurus moguntinus P. rugosus see Ophisaurus rugosus Pseudorhineura 7.8 mm M.Oligocene P. minuta see Rhineura hatcheri M.Oligocene Pseudorhinura probably Pseudorhineura Pseudosaurillus U.Jurassic cf. P. sp. U.Jurassic P. becklesi Portlandian P. sp. Purbeckian Psilotrachelosaurus M.Triassic P. toeplitschi see Neusticosaurus toeplitschi P. toplitschi see Psilotrachelosaurus toeplitschi Pterycollasaurus probably Pterycollosaurus, see Mosasaurus Pterycollosaurus see Mosasaurus P. maximiliani U.Cretaceous Ptilotodon L.Cretaceous P. wilsoni Aptian-Albian Puercosaurus L.Permian Pumilia Pliocene-Pleistocene P. novaceki Blancan-Irvingtonian Pygopus Miocene Qianichthyosaurus U.Triassic Q. zhoui 24 cm 1.5 m U.Triassic Qianshanosaurus Paleocene Q. huangpuensis 4.5 cm? Paleocene Rachitrema R. pellati Rajaurisauris probably a fish M.Eocene R. estesi probably a fish M.Eocene Rajaurisaurus see Rajaurisauris R. estesi see Rajaurisauris estesi Rarojugalosaurus see Clevosaurus L.Jurassic R. mcgilli see Clevosaurus mcgilli Rauisuchus 4.6 m M.Triassic R. sp. R. tiradentes(triradentes) 4 m Carnian Rebbanasaurus L.Jurassic R. jaini 2.5 cm? L.Jurassic Redondasaurus U.Triassic R. bermani Rhaetian R. gregorii see Pseudopalatus pristinus Rhaetian Redondasuchus U.Triassic R. reseri Norian Restes U.Paleocene-L.Eocene R. rugosus 1.5 cm? Tiffanian-Wasatchian R. sp. Campanian Rhabdopelix U.Triassic Rhadinosuchus see Cerritosaurus M.Triassic R. gracilis see Cerritosaurus binsfeldi Ladinian Rhaeticonia M.Triassic R. rothipletzi Ladinian Rhamphosaurus see Tylosaurus Rhamposaurus see Tylosaurus Rhineura M.Oligocene-U.Pleistocene R. amblyceps see Rhineura hatcheri M.Oligocene R. attenuatus see Rhineura hatcheri M.Oligocene R. coloradensis 15 cm? Chadronian R. floridana U.Blancan-Rancholabrean R. hatcheri(hatcherii) 2 cm Orellan-Whitneyan R. hibbardi see Rhineura hatcheri M.Oligocene R. marslandensis M.Miocene R. minutus see Rhineura hatcheri R. sepultura M.Miocene R. sp. Bridgerian-Chadronian R. sternbergii see Rhineura hatcheri M.Oligocene R. wilsoni see Rhineura hatcheri M.Oligocene Rhinosauriscus see Amphibia Index U.Permian R. jasykowii see Amphibia Index Tatarian Rhinosaurus see Amphibia Index U.Permian R. jasykovii(jasikovii) see Amphibia Index Tatarian R. micromus see Tylosaurus prorigor U.Cretaceous Rhiodenticulatus L.Permian Rhipaeosaurus M.Permian R. talonophorus M.Permian R. tricuspidens Wordian Rhipeosaurus see Rhipaeosaurus Rhiphaeosaurus see Rhipaeosaurus Rhodanogekko U.Eocene-L.Oligocene R. vireti U.Eocene Rhomaleosaurus 1 m 7.5 m 8.9 t L.Jurassic R. arctuatus 5.2 m 2.6 t R. cramptoni 6.9 m 6.3 t Toarcian R. megacephalus see Eurycleidus megacephalus R. propinquus 4 m 1.5 t Hettangian-Toarcian R. sp. 5.3 m L.Jurassic R. thorntorni R. victor Toarcian R. zetlandicus Toarcian Rhombopholis M.Triassic R. scutulatus(scutulata) 8 cm? Anisian Rhynchosaurus 14 cm 1 m M-U.Triassic R. articeps(artceps) 8 cm 54 cm Anisian R. brodiei 14 cm 1 m M.Triassic R. orientalis see Monjurosuchus orientalis Tithonian R. spenceri 17.5 cm 1.3 m Anisian Rhytidodon see Rutiodon R. rostratus see Rutiodon rostratus R. validus see Rutiodon validus Riabinimus L.Permian "Richmond Pliosaur" 4.9 m L.Cretaceous Rikisaurus 7.4 m U.Cretaceous R. tehoensis see Moanasaurus Campanian-Maastrichtian Rikkisaurus U.Cretaceous R. tehoensis see Moanasaurus Campanian-Maastrichtian Rileya Occupied, see Rileyasuchus R. bristolensis occupied, see Rileyasuchus bristolensis Rileyasuchus presently considered a dinosaur R. bristolensis M.Triassic Riojasuchus 3 m? U.Triassic R. tenuiceps(tenuisceps) 25 cm 122 cm Norian-Rhaetian Rjabininus U.Permian Romeria L.Permian R. sp. R. texana Sakmarian-Artinskian Rothaniscus possibly Rothianiscus M.Permian Rothianiscus L-U.Permian R. multidonta L-U.Permian Rothia see Rothianiscus M.Permian R. multidonta see Rothianiscus multidonta L-U.Permian Rothioniscus see Rothianiscus Rubricacaecilla L.Cretaceous Russellosaurus Ruthiromia U.Pennsylvanian-L.Permian R. elcobriensis U.Pennsylvanian-L.Permian Rutiodon 155 cm 7.8 m? U.Triassic R. adamanensis possibly not a phytosaur Carnian R. andersoni 86 cm 4.3 m? U.Triassic R. buceros 81 cm 4 m? U.Triassic R. carolinensis 70 cm? Carnian-Norian R. crosbiensis 86 cm 4.3 m? Carnian R. doughtyi U.Triassic R. gregorii 155 cm 7.8 m? Carnian-Norian R. imperfecta 112 cm 5.6 m? U.Triassic R. leai U.Triassic R. lepturus Carnian R. lithodendrorum U.Triassic R. manhattanensis Norian R. pennsylvanicus? U.Triassic R. pristinus U.Triassic R. rostratus U.Triassic R. rutimeyeri 102 cm? Rhaetian R. scolopax U.Triassic R. serridens L.Triassic R. sp. 2.5 m Carnian R. sp. Rhaetian R. studeri 89 cm 4.5 m? U.Triassic R. tenuis U.Triassic R. validus 117 cm 5.9 m? U.Triassic R. zunii U.Triassic Sakurasaurus L.Cretaceous S. shokawensis L.Cretaceous Saltoposuchus see Crocodylia Index Saltopus 58 cm U.Triassic Samaria L.Triassic S. concinna Olenekian Sanchiaosaurus M.Triassic S. dengi 15 cm? 115 cm? Anisian-Ladinian Sanchuansaurus U.Permian Sangiorgiosaurus see Phalarodon or Mixosaurus S. kuhnschnyderi see Mixosaurus kuhnschnyderi M.Triassic Saniwa 2.15 m+ M.Paleocene-Oligocene cf. S. sp. Torrejonian cf. S. sp. Wasatchian S. aff. Ensidens U.Paleocene S. agilis 60 cm? Bridgerian S. australis nomen dubium Arikareean S. brooksi U.Eocene S. cf. Ensidens Wasatchian S. crassa(crassus,crassas) 1.5 m? Bridgerian S. ensidens(edsodens,edsidens10.6 cm 1.8 m? Wasatchian-Bridgerian S. feisti Lutetian S. grandis 2.15 m+ Wasatchian-Bridgerian S. leptodus see Saniwa ensidens Bridgerian S. major see Saniwa crassa Bridgerian S. orsmaelensis Ypresian S. paucidens 122 cm? Bridgerian-Uintan S. sp. L.Eocene-M.Oligocene Saniwides U.Cretaceous S. mongoliensis 4.5 cm Campanian Sanjuansauro Santaisaurus 1.5 cm L.Triassic S. yuani L.Triassic Sapheosaurus 2.7 cm 46 cm? U.Jurassic S. sp. S. thiollieri(thiollierei) 2.7 cm 70 cm U.Jurassic Sarmatosuchus M.Triassic S. otschevi 17 cm+ Anisian Sauranodon see Sapheosaurus U.Jurassic-L.Cretaceous S. discus see Baptanodon discus U.Jurassic S. natans see Baptanodon natans U.Jurassic Saurillodon U.Jurassic S. henkeli 1 cm? Kimmeridgian S. proraformis Kimmeridgian Saurillus U.Jurassic S. henkeli see Saurillodon henkeli S. obtusus Kimmeridgian S. proraformis see Saurillodon proraformis S. robustidens see Paramacellodus oweni Sauriscus see Estescincosaurus U.Cretaceous S. cooki see Estescincosaurus cooki Campanian S. sp. Campanian Sauromalus L.Pleistocene-Recent S. after S. obesus living Chuckwalla Irvingtonian-Recent Sauromorus see Ophisaurus S. ambiguus nomen dubium L.Miocene S. lacertinus nomen dubium L.Miocene Saurophidium see Pleurosaurus Saurophis nomen dubium U.Pleistocene S. crassus nomen dubium U.Pleistocene Saurorictus U.Permian S. australis 2.2 cm Tatarian Saurosphargis M.Triassic S. voltzi Anisian Saurosternon 15 cm? U.Permian-L.Triassic S. baini(bainii) 8 cm? U.Permian S. griesbachi see Heleosuchus griesbachi Saurosternum see Sclerosaurus? Saurosuchus 76 cm 138 cm 7 m 2 t U.Triassic S. galilei 7 m 2 t Carnian S. sp. Carnian Scalaposaurus see Scaloposaurus Scandensia Scanisaurus U.Cretaceous S. nazarowi Senonian Scaphonychimus see Scaphonyx S. eurychorus see Scaphonyx fischeri? Scaphonyx 94 cm? 5.5 m M-U.Triassic S. australis see Scaphonyx fischeri? S. fischeri see Hyperodapedon sanjuanensis S. sanjuanensis see Hyperodapedon sanjuanensis S. sulcognathus Carnian Scelerosaurus see Sclerosaurus S. armatus see Sclerosaurus armatus Sceloporus U.Miocene-Recent S. cf. Clarki Holocene S. cf. Jarrovi Holocene S. cf. Magister U.Miocene-Holocene S. cf. Robustus U.Pliocene S. cf. Undulatus Rancholabrean-Holocene S. cf. Variabilis Rancholabrean S. graciosus living Sagebrush Lizard Rancholabrean-Recent S. holmani see Phrynosoma holmani S. jarrovi living Mountain Spiny Lizard Rancholabrean-Recent S. magister living Desert Spiny Lizard Blancan-Recent S. nr. Undulatus Hemphillian S. occidentalis living Western Fence Lizard Rancholabrean-Recent S. olivaceous living Texas Spiny Lizard U.Pliocene-Recent S. poinsetti living Crevice Spiny Lizard Rancholabrean-Recent S. robustus 9 mm? U.Blancan S. sp. Hemphillian S. sp. Barstovian S. sp. Arikareean-Rancholabrean S. undulatus living Eastern Fence Lizard Blancan-Recent S. variabilis living Rosebelly Lizard Rancholabrean-Recent Scelotes U.Pleistocene-Recent S. sp. Rancholabrean Scenodon see Thalattosaurus S. perrini see Thalattosaurus perrini Scharschengia L.Triassic S. enigmatica Olenekian S. sp. Induan-Olenekian Schilleria M.Jurassic Scleromochlus 25 cm U.Triassic S. taylori 25 cm Carnian Sclerosaurus L.Triassic S. armatus 50 cm? L.Triassic Scoliomus see Sphenacodon L.Permian S. puercensis see Sphenacodon ferox L.Permian Scoloparia U.Triassic S. glyphanodon 4.8 cm? U.Triassic Scutosaurus 43 cm 3 m U.Permian S. carpinski see Scutosaurus karpinskii Tatarian S. itilensis see Scutosaurus karpinskii Tatarian S. karpinskii(karpinsky) 50 cm 3 m Tatarian S. permiana(permianus) see Scutosaurus karpinskii Tatarian S. rossicus see Deltavjatia vyatkensis Tatarian S. tuberculatus see Scutosaurus karpinskii Tatarian Scythosuchus L.Triassic S. basileus L.Triassic Secodontosaurus 2.5 m L.Permian S. longiramus possibly S. obtusidens Wolfcampian S. obtusidens 29 cm? Wolfcampian S. sp. Leonardian S. willistoni Leonardian Secondontosaurus see Secodontosaurus S. obtusidens see Secodontosaurus obtusidens Seeleyosaurus see Plesiosaurus S. holzmadensis see Plesiosaurus guilelmiimperatoris Seemania possibly Ticinosuchus L.Triassic S. palaeotriadica possibly Ticinosuchus ferox, nomen dubium Selmasaurus U.Cretaceous S. russelli Campanian Serpianosaurus M.Triassic S. mirigiolensis 67 cm? Anisian-Ladinian Shansisaurus see Shihtienfenia U.Permian S. xuecunensis see Shihtienfenia permica U.Permian Shanshisuchus see Shansisuchus S. shansisuchus see Shansisuchus shansisuchus Shansisuchus 4 m L.Triassic S. heiyuekouensis L.Triassic S. kuyeheensis Olenekian S. shansisuchus 62 cm? 89 cm? 3.2 m? Olenekian Sharovipteryx 24 cm? U.Triassic S. mirabilis 1.7 cm 20 cm Norian Sharovisaurus U.Jurassic Shastasaurus U.Jurassic S. altispinus see Shastasaurus pacificus Carnian S. alexandrae see Shastasaurus pacificus Carnian S. careyi 10 m 10.2 t U.Triassic S. carinthiacus indeterminate material Carnian S. cf. Sp. Triassic S. neoscapularis 45 cm 2 m Norian S. neubigi 60 cm? 3 m Anisian S. nordensis indeterminate material Ladinian S. osmonti see Shastasaurus pacificus Carnian S. pacificus Carnian S. perrini see Californosaurus perrini Carnian S. sieversi indeterminate material Norian S. sp. see Cymbospondylus M.Triassic Shihtienfenia U.Permian S. permica U.Permian Shingyisaurus M.Triassic S. unexpectatus(unexpectus) see Nothosaurus? Anisian Shinisauroides U.Cretaceous S. latipalatum U.Cretaceous Shonisaurus 3.7 m? 15.4 m 41 t U.Triassic S. mulleri U.Triassic S. popularis 3 m 15.4 m 31 t Carnian S. silberlingi 12 m 15 t U.Triassic S. tingjiensis 10 m? Norian Shuvosaurus U.Triassic S. inexpectatus Norian Sigmala U.Triassic S. sigmala Rhaetian Sillosuchus 3 m U.Triassic S. longicervix Carnian Silvestrosaurus M.Triassic S. buzzi see Lariosaurus buzzii Anisian-Ladinian Simbirskiasaurus L.Jurassic S. birjukovi Platypterygius birjukovi Hauterivian Simila U.Triassic Simoedosaurus U.Cretaceous-Eocene S. dakotensis(dakodensis) 70 cm U.Paleocene S. lemoinei Thanetian S. sp. Simolestes 82 cm 6.15 m U.Jurassic S. indicus Tithonian S. keileni Bajocian S. nowackianus U.Jurassic S. vorax 74 cm 6.15 m Callovian Simosaurus 22.5 cm 4 m? M-U.Triassic S. cf. Gaillardoti Ladinian S. gaillardoti 22.5 cm 4 m? Ladinian-Norian S. guiliemi see Simosaurus gaillardoti S. g. var. angusticeps see Simosaurus gaillardoti S. mougeoti Anisian-Ladinian S. pusillus see Neusticosaurus pusillus Sineoamphisbaena U.Cretaceous S. hexatabularis(hexatabalaris) U.Cretaceous Sinohydrosaurus see Hyphalosaurus U.Jurassic S. lingyuanensis see Hyphalosaurus lingyuanensis Sinopliosaurus U.Jurassic Sinosaurus L.Jurassic S. sp. Sironectes see Platecarpus U.Cretaceous Slavoia U.Cretaceous S. darevskyi(darevskii) 2.4 cm U.Cretaceous Smilodon preoccupied, see Carnivora Index S. laevis see Zanclodon laevis U.Triassic Smilosuchus 12 m U.Triassic S. gregorii Carnian Socognathus U.Cretaceous S. unicuspis U.Cretaceous Spathorhynchus 2.5 cm 30 cm M.Eocene-L.Oligocene S. fossorium(fossium) Bridgerian S. natronicus Chadronian Sphaerodactylus U.Pleistocene-Recent S. dommeli U.Pleistocene S. sp. 4.5 cm? U.Pleistocene Sphaerodontes a Fish Jurassic S. caroli a Fish Oxfordian Sphenacodon 3 m L.Permian S. britannicus Autunian S. ferocior 39 cm L.Permian S. ferocir see Sphenacodon ferocior S. ferox 30 cm 57 cm? 1.8 m? L.Permian Sphenodon 2.8 cm L.Pleistocene-Recent S. diversum S. punctatus(reischeki) Recent S. sp. Sphenomorphus Pleistocene-Recent Sphenosaurus see Amphibia Index L.Permian Sphenosiagon Sphodrosaurus U.Triassic S. pennsylvanicus 28 cm? U.Triassic Spinoaequalis U.Pennsylvanian S. schultzei U.Pennsylvanian Spinosuchus 2.2 m U.Triassic S. caseanus 2.2 m U.Triassic Spondylestes see Spondylolestes? L.Triassic Spondylolestes L.Triassic S. rubidgei L.Triassic Spondylosaurus see Pliosaurus U.Jurassic S. fahrenkohli indeterminate material Tithonian S. frearsi(frearsii) see Pliosaurus brachyspondylus? Staganolepis see Stagonolepis S. robertsoni see Stagonolepis robertsoni Stagenolepis see Stagonolepis Stagonolepis 27 cm 3 m 200 kg U.Triassic S. robertsoni 2.7 m 200 kg Carnian S. scagliai 2.5 m Carnian S. wellesi Carnian Stagonosuchus M.Triassic S. major M.Triassic S. nyassicus see Stagonosuchus major M.Triassic S. tanganyikaensis see Stagonosuchus major M.Triassic Staurosternon see Stereosternum S. tuditum see Stereosternum tumidum Stegomus 1.5 m U.Triassic S. arcuatus see Aetosaurus arcuatus U.Triassic S. a. jerseyensis see Aetosaurus arcuatus U.Triassic S. longipes see Stegomosuchus longipes in Crocodile Index Stellio Pleistocene-Recent S. stellio Pleistocene Stelliosaurus see Homoeosaurus Stenaulorhynchus 1.5 m M.Triassic S. major M.Triassic S. stockleyi see S. major? Anisian Stenaulorhynchys see Stenaulorhynchus Stenometopon see Hyperodapedon U.Triassic S. taylori see Rhynchosaurus articeps Stenopterygius 3 m L.Jurassic S. acutirostris S. cuneiceps 4 m L.Jurassic S. hauffianus(huaffianus) 3.4 m L.Jurassic S. longifrons S. longipes 4 m L.Jurassic S. macrophasma L.Jurassic S. megacephalus 2.3 m L.Jurassic S. megalorhinus 3.5 m L.Jurassic S. quadriscissus 3 m Tithonian S. uniter 76 cm 2.5 m L.Jurassic Stephanospondylus see Amphibia Index L.Permian Stereophallodon L.Permian S. ciscoensis Wolfcampian Stereorachis U.Permian S. dominans Stephanian Stereorhachis probably Stereorachis U.Pennsylvanian-L.Permian S. dominans probably Stereorachis dominans Stereosaurus Stereosternum see Mesosaurus 76 cm L.Permian S. sp. L.Permian S. tumidum(tumidus) see Mesosaurus tumidus Artinskian Sthenarosaurus 3 m L.Jurassic S. dawkinsi 3 m Toarcian Stretosaurus see Liopleurodon U.Jurassic S. macromerus see Liopleurodon macromerus Kimmeridgian Stricosuchus Strigosuchus S. licinus see Strigosuchus licinus Strigosuchus see Crocodylia Index L.Jurassic Strongylokrotaphus 98 cm? 6.15 m U.Jurassic S. irgisensis see Pliosaurus irgisensis Tithonian Stypodontosaurus U.Cretaceous Styxosaurus 53 cm 10.15 m U.Cretaceous S. browni see Hydralmosaurus serpentinus S. snowii 53 cm 10.15 m Santonian-Campanian S. sp. Santonian-Campanian Succinilacerta M.Eocene S. succinea 4 cm Suchoprion see Nicrosaurus & Palaeoctonus S. aulacodus see Palaectonus aulacodus S. cyphodon Carnian S. sulcidens Carnian Suevoleviathan L.Jurassic S. disinteger 4.3 m Toarcian Sulcatidens M.Miocene-Recent Sulcusuchus U.Cretaceous S. erraini 4 m? Campanian-Maastrichtian Supradapedon Svalbardosaurus L.Triassic S. crassidens indeterminate material L.Triassic Swainiguanoides M.Paleocene-L.Eocene cf. S. milleri Wasatchian S. cf. Milleri Wasatchian S. milleri 1 cm Torrejonian-Wasatchian S. piger Torrejonian Taiyania U.Permian T. simplicidentata U.Permian Tamaulipasaurus L-M.Jurassic T. morenoi 1.8 cm? L-M.Jurassic Tanaisosaurus L.Triassic T. kalandadzei Scythian Tangasaurus U.Permian T. mennelli U.Permian Taniwhasaurus 114 cm 12.3 m? L-U.Cretaceous T. haumuriensis 114 cm 9.2 m? Maastrichtian T. oweni 50 cm 6.15 m? Maastrichtian Tanystropheus 10.8 m? L-M.Triassic T. antiquus M.Triassic T. bauri a Dinosaur, Coelophysis bauri T. conspicuus L-U.Triassic T. fossai Norian T. longbardicus see Tanystropheus longobardicus T. longicollis a Dinosaur, Coleophysis longicollis T. longobardicus 4.6 m M.Triassic T. meridensis M.Triassic T. posthumus see Tanystrosuchus posthumus? T. willistoni a Dinosaur, Coelophysis willistoni Tanystropheus probably Tanystropheus T. antiquus probably Tanystropheus antiquus T. posthumus probably Tanystropheus posthumus Tanytrachelos 60 cm? U.Triassic T. ahynis 30 cm Carnian T. sp. Triassic Taphrosaurus U.Cretaceous T. lockwoodii indeterminate material U.Cretaceous Tapinosaurus Tarentola U.Pleistocene-Recent T. americana Rancholabrean Tarjadia M.Triassic T. ruthae Anisian-Ladinian Tasmaniosaurus 20 cm 122 cm L-U.Triassic T. triassicus 20 cm Carnian Tatenektes U.Jurassic Taurocephalus U.Permian Tchingisaurus U.Cretaceous T. multivagus U.Cretaceous Tchoiria L.Cretaceous T. egloni see Irenosaurus egloni T. magnus see Ikechosaurus magnus T. namsarai 35 cm? Aptian Teilhardosaurus U.Jurassic-L.Cretaceous T. carbonarius U.Jurassic-L.Cretaceous Tejus Pampean? T. cf. Tequixis Pampean? T. tequixis Pampean? Teleocrater M.Triassic Telerpedon see Leptopleuron Telerpeton see Leptopleuron M.Triassic T. elginense see Leptopleuron lacertinum Telmasaurus 13 cm? 122 cm U.Cretaceous T. grangeri 7 cm? Campanian Temnodontosaurus 2 m 9.2 m L.Jurassic T. burgundiae possibly Leptopterygius burgundiae T. eurycephalus 95 cm 4.4 m? Sinemurian T. longirostris L.Jurassic T. nuertingensis L.Jurassic T. platyodon 2 m 9 m Sinemurian T. risor see Temnodontosaurus platyodon T. trigonodon 7 m? Tepexisaurus L.Cretaceous T. tepexii Albian Teraterpeton U.Triassic T. hrynewichorum 20 cm Carnian Teratophon L.Triassic T. spinigenis L.Triassic Teratosaurus 3.4m H 6.15 m U.Triassic T. lloydi 2.3m h 6.15 m U.Triassic T. suevicus(saevicus) see Teratosaurus lloydi U.Triassic Teretocnemus U.Triassic T. californicus T. zitteli 3 m U.Triassic Termatosaurus U.Triassic Terminonatator 27 cm 7 m? U.Cretaceous T. ponteixensis 27 cm 7 m? Campanian Tetraceratops see Therapsid Index L.Permian Tetralophosaurus L.Miocene T. minutus see Dipsosaurus cf. Dorsalis L.Miocene Thadeosaurus 3.8 cm 60 cm U.Permian T. colcanapi 3.8 cm 7 cm? 60 cm U.Permian Thaisaurus L.Triassic T. chonglakmanni(chonglakmanii) L.Triassic Thalassiodracon 21 cm 2 m U.Triassic-L.Jurassic T. hawkinsi 20 cm 2 m Rhaetian-Hettangian Thalassiosaurus U.Cretaceous T. ischiadicus see Alzadasaurus kansasensis U.Cretaceous Thalassomedon 47 cm 12.3 m U.Cretaceous T. haningtoni(hanningtoni) 47 cm 12.3 m Cenomanian T. haringotni see Thalassomedon haningtoni Thalassonomosaurus U.Cretaceous T. marshi(marshii) see Styxosaurus snowi & Styxosaurus sp. T. nobilis Thalattosaurus 30 cm 2.15 m? M-U.Triassic T. alexandrae U.Triassic T. perrini T. shastensis Thaumastosaurus actually an Amphibian, see Appropriate Index Thaumatosaurus 36 cm 3.4 m L.Jurassic T. calloviensis indeterminate material Callovian T. cramptoni Toarcian T. mosquensis see Liopleurodon ferox? Oxfordian-Kimmeridgian T. oolithicus T. victor see Rhomaleosaurus victor L.Jurassic Thecadactylus U.Pleistocene T. rapicauda U.Pleistocene-Recent Thelagnathus probably Thelegnathus Theledectes L.Triassic T. perforatus L.Triassic Thelegnathus see Microthelodon L.Triassic T. browni nomen dubium L.Triassic T. contritus see Thelephon contritus L.Triassic T. oppressus see Thelerpeton oppressus L.Triassic T. parvus see Microtheledon parvus L.Triassic T. perforatus see Theledectes perforatus L.Triassic T. spinigenis see Teratophon spinigenis L.Triassic Thelephon L.Triassic T. contritus L.Triassic Thelerpeton L.Triassic T. oppressus L.Triassic Theretairus see Opisthias U.Jurassic T. antiquus see Opisthias sp. Purbeckian Theropleura see Ophiacodon or Dimetrodon T. grandis see Dimetrodon grandis L.Permian T. obtusidens see Dimetrodon obtusidens L.Permian T. retroversa see Ophiacodon retroversus L.Permian T. triangulata see Theropleura retroversa L.Permian T. uniformis see Poliosaurus uniformis L.Permian Theropleurus see Ophiacodon or Dimetrodon T. grandis see Diopeus grandis? Leonardian Therosaurus see Ophiacodon L.Permian T. watsoni see Ophiacodon retroversus Wolfcampian Thinosaurus see Saniwa T. agilis see Saniwa agilis T. crassus see Saniwa crassa T. grandis see Saniwa grandis T. leptodus see Saniwa ensidens T. paucidens see Saniwa paucidens Tholodus M.Triassic T. schmidii(schmidi M.Triassic Thoracophis see Ophisaurus T. rugosus see Ophisaurus rugosus Thrausmosaurus L.Permian T. serratidens L.Permian Thuringothyris L.Permian T. mahlendorffae L.Permian Thyrus T. bojeri see Gongylomorphus bojeri Tibetosaurus see Shonisaurus 10 m? U.Triassic T. tingjiensis see Shonisaurus tingjiensis Norian Tichvinskia L.Triassic T. burtensis see Burtensia burtensis T. enigmatica 3 cm? T. jugensis 3 cm? Olenekian T. majmesculae see Kapes majmesculae T. sp. Olenekian T. vjatkensis 3 cm? 19 cm? Olenekian Ticinosuchus 3 m M.Triassic T. ferox 29 cm? 55 cm? 2.5 m Anisian-Ladinian Tijubina L.Cretaceous T. pontei L.Cretaceous Tikisaurus possibly Tikisuchus? T. romeri possibly Tikisuchus romeri? Tikisuchus M-U.Triassic T. romeri Carnian Tiliqua Miocene-Recent Timanophon L.Triassic T. burtensis T. raridentatus 3 cm? Olenekian Tingitana L.Cretaceous T. anoualae 1 cm? Berriasian Tinosaurus M.Paleocene-U.Eocene T. asiaticus Bartonian T. cf. Stenodon U.Eocene T. doumuensis 2 cm? M.Paleocene T. europeocaenus Ypresian T. lepidus see Tinosaurus stenodon Wasatchian T. lushihensis 1.2 cm? M.Eocene T. pristinus Bridgerian T. sp. Ypresian T. stenodon Bridgerian Tomicosaurus see Araeoscelis L.Permian T. sp. L.Permian Toretocnemus U.Triassic T. californicus Carnian T. zitteli Carnian Toxolophosaurus L.Cretaceous T. cloudi L.Cretaceous T. sp. Trachelosaurus L.Triassic T. fischeri 1.3 m Scythian Trachyderma see Heloderma T. horridum see Heloderma horridum Trachydosaurus Cretaceous-Recent T. rugosus T. sp. Cretaceous Trachysaurus see Trachydosaurus Tremamesacleis see Muraenosaurus U.Jurassic T. playclis see Muraenosaurus platyclis Trentinosaurus see Tridentinosaurus Tribelesodon see Tanystropheus M.Triassic T. longobardicus see Tanystropheus longobardicus Trichasaurus L.Permian T. cf. Sp. Leonardian T. texensis L.Permian Tricleidus 24 cm 3 m M-U.Jurassic T. laramiensis Jurassic T. seeleyi 24 cm 3 m Callovian Tricuspisaurus U.Triassic T. thomasi Norian Tridentinosaurus 30 cm L.Permian-L.Triassic T. antiquus 30 cm L.Permian Trilophosaurus 12 cm 2 m? U.Triassic T. buettneri 12 cm 122 cm Norian T. jacobsi Carnian T. sp. Carnian Trimacromerum see Dolichorhynchops Trinacromerum 89 cm? 5 m? M-U.Cretaceous T. anonymum see Trinacromerum bentonianum T. bentonianum 53 cm 3 m Cenomanian T. bonneri see Dolichorhynchops osborni T. cf. Browni Cretaceous T. kirki Turonian T. osborni see Dolichorhynchops osborni T.. Willistoni see Trinacromerum bentonianum Trogonophis U.Pliocene-Recent T. darelbeidae 5 mm U.Pliocene Trucuspisaurus see Tricuspisaurus? U.Triassic Tsylmosuchus M.Triassic T. donensis Olenekian T. jakovlevi Olenekian T. samariensis Olenekian T. sp. Olenekian Tuarangisaurus 37 cm 9.2 m U.Cretaceous T. cabazai Maastrichtian T. keysi(keyesi) 37 cm 9.2 m Campanian-Maastrichtian Tupinambis U.Oligocene-Recent T. brevirostris see Tupinambis preteguixin T. huilensis U.Miocene T. multidentatus see Tupinambis preteguixin T. nigropunctatus T. onyxodon see Tupinambis preteguixin T. paranensis U.Blancan T. prerufescens see Tupinambis preteguixin T. preteguixin U.Blancan-L.Irvingtonian T. sp. U.Oligocene-Pleistocene T. teguixin living Common Tegu Rancholabrean-Recent Turfanosuchus 1.2 m? L.Triassic T. dabanensis 13 cm? 1.2 m? Olenekian T. shageduensis Olenekian Turneria see Morturneria U.Cretaceous T. seymourensis see Morturneria seymourensis Maastrichtian Tylosaurus 2 m? 17.2 m? U.Cretaceous T. dispar 8 m U.Cretaceous T. dyspelor 10.6 m U.Cretaceous T. haumuriensis see Taniwhasaurus haumuriensis T. ivoensis Campanian T. laticaudus U.Cretaceous T. micromus see Tylosaurus prorigor U.Cretaceous T. nepaeolicus 64 cm 7.4 m Coniacian T. n.sp. T. perlatus U.Cretaceous T. prorigor 1.8 m 15.4 m Santonian-Campanian T. rhiphalus Campanian T. sp. Campanian T. validus U.Cretaceous T. zangerli Tylosteus is actually a Dinosaur Typhlops is a snake, see Snake Index T. edwardsi see Omoiotyphlops edwardsi Typothorax 3.7 m L-U.Triassic T. cf. Coccinarum Triassic T. coccinarum L-U.Triassic T. meadei see Longosuchus meadei U.Triassic T. sp. Triassic Uatchitodon U.Triassic U. kroehleri Carnian Undorosaurus U.Jurassic U. gorodischensis Tithonian U. khorlovensis see Undorosaurus sp. Tithonian U. nessovi see Undorosaurus gorodischensis U. sp. Tithonian Uralosaurus M.Triassic U. magnus Anisian Uromastyx U.Eocene-Recent U. europaeus nomen dubium U.Eocene-L.Oligocene U. spinipes U.Pleistocene-Holocene Uronautes U.Cretaceous Urosaurus Recent U. cf. Graciosus Holocene U. ornatus living Tree Lizard Holocene-Recent Uta Pleistocene-Recent U. stansburiana living Side-blotched Lizard Blancan-Recent Utatsusaurus 3 m? L.Triassic U. hataii 1.5 m L.Triassic U. sp. Vallesaurus U.Triassic V. cenensis Norian Varannosaurus see Varanosaurus Varanodon L.Permian V. agilis L.Permian Varanops 1 m L.Permian V. brevirostris 11 cm? 20 cm? 85 cm? L.Permian Varanosaurus 1.5 m L.Permian V. acutirostris 14.5 cm L.Permian V. sp. Leonardian V. wichitaensis possibly V. acutirostris L.Permian Varanus Miocene-Recent V. atticus see Varanus marathonensis V. bolkayi Pliocene-U.Pleistocene V. cayluxi(cayluxy) see Necrosaurus cayluxi V. cf. Bengalensis Pleistocene V. cf. Hofmanni Burdigalian-Helvetian V. deserticolus see Ophisaurus pannonicus V. dirus see Megalania prisca Pleistocene V. emeritus nomen dubium Pleistocene V. hofmanni Vindobonian V. hooijeri Holocene V. lemanensis see Anguis lemanensis V. lemoinei specimen belongs to a turtle Ypresian V. marathonensis Pliocene-U.Pleistocene V. margariticeps see Placosaurus margariticeps V. niloticus living Nile Monitor Pleistocene-Recent V. prisca(priscus) see Megalania prisca V. rusingensis 2 m? Burdigalian V. sivalensis indeterminate material L.Pliocene-Pleistocene V. sp. L.Miocene-Holocene V. warburtonensis see Megalania prisca Variodens U.Triassic V. inopinatus U.Triassic Venaticosaurus U.Triassic V. rusconii 2 m Carnian Venaticosuchus U.Triassic V. rusconii 3 m Carnian Vinialesaurus U.Jurassic V. caroli Oxfordian Vitalia L.Triassic V. grata Olenekian Vjushkovia L-M.Triassic V. shiguaiensis Olenekian V. sinensis Anisian V. triplicostata see Garjainia triplicostata Olenekian Vjushkovisaurus M.Triassic V. berdjanensis Anisian V. sp. Vonhuenia L.Triassic V. friedrichi Induan Vytshegdosuchus L.Triassic V. zheshartensis Olenekian Wangisuchus L.Triassic W. tzeyii Olenekian Wapitisaurus L.Triassic W. problematicus L.Triassic Weigeltisaurus 50 cm U.Permian W. jaekeli U.Permian Westlothiana 30 cm? M.Mississippian W. lizziae 20 cm Visean Wimanius M.Triassic W. odontopalatus Anisian-Ladinian Winfieldia see Ophiacodon L.Permian W. hilli see Ophiacodon hilli L.Permian Woodbinesuchus Cretaceous W. byersmaurici Cretaceous Woolungasaurus 43 cm 10.15 m L-U.Cretaceous W. glendowerensis 42 cm 9.5 m Albian W. sp. Cretaceous Xantusia U.Miocene-Recent X. downsi Blancan-Irvingtonian X. vigilis living Desert Night Lizard U.Miocene-Recent Xemus? see Tichvinskia L.Triassic X. efremovi see Tichvinskia jugensis L.Triassic Xenodiphyodon U.Triassic X. petraios 1 cm? Carnian Xenognathus see Colognathus X. obscurus see Colognathus obscurus U.Triassic Xenosuchus see Caiman, in Crocodylia Index Xestops L.Paleocene-M.Eocene X. abderhaldeni see Placosauriops abderhaldeni X. cf. Sp. Eocene X. gracilis nomen dubium 60 cm? Bridgerian X. lentus nomen dubium 60 cm? Bridgerian X. microdus nomen dubium 60 cm? Bridgerian X. minutus nomen dubium 20 cm? Bridgerian X. pawneensis see Parophisaurus pawneensis Orellan X. piercei see Proxestops piercei X. sp. Bridgerian X. sp. Eocene X. sp. Puercan X. stehlini see Paraxestops stehlini U.Eocene X. vagans 1 m? Bridgerian X. weigelti see Placosauriops weigelti Lutetian Xihaina U.Cretaceous X. aquilonia Campanian Xilousaurus X. sp. Xilousuchus M.Triassic X. sapingensis L.Triassic Xyrospondylus U.Pennsylvanian X. ecordi U.Pennsylvanian Yabeinosaurus 20 cm U.Jurassic Y. tenuis 20 cm U.Jurassic Y. youngi 20 cm U.Jurassic Yaguarosaurus 55 cm 5.1 m U.Cretaceous Y. colombianus 55 cm 5.1 m Turonian Yasykovia U.Jurassic Y. kabanovi see Paraophthalmosaurus yasykovi Y. mittai indeterminate material Tithonian Y. sumini see Paraophthalmosaurus yasykovi Y. yasykovi see Paraophthalmosaurus yasykovi Yezosaurus Y. mikasaensis Yonghesuchus U.Triassic Y. sangbiensis U.Triassic Youngina 6.4 cm 30 cm U.Permian Y. capensis 6.4 cm Wordian-Capitanian Y. gracilis Y. romeri U.Permian Youngoides see Youngina U.Permian Y. minor U.Permian Y. romeri 11 cm? U.Permian Youngopsis see Youngina Y. kitchingi 9 cm? U.Permian Y. rubidgei U.Permian Youngosuchus M.Triassic Y. sinensis see Vjushkovia sinensis Anisian Yunnania L.Jurassic Y. brevirostris L.Jurassic Yuzhoupliosaurus 4 m M.Jurassic Y. chengjiangensis 4 m M.Jurassic Zanclodon see Tanystropheus? U.Triassic Z. arenaceus Z. crenatus Z. laevis U.Triassic Z. schutzii Z. sp. U.Triassic Zapatadon L.Jurassic Z. ejidoensis L.Jurassic Zapatodon possibly Zapatadon? Z. sp. Zarcasaurus L.Permian Z. tanyderus L.Permian Zatomus U.Triassic Range Kazakhstan Kazakhstan Canada Nova Scotia(Cnda) W USA Arizona?(US) Morocco d'Ahl al Oughlam(Morocco) S Africa S Africa Madagascar

USA Colorado,Wyoming,Nebraska(US) Colorado(US) Florida(US) Nebraska(US) Wyoming(US)

W USA Oklahoma(US) W USA New Mexico(US) Morocco Morocco

Germany Italy Italy

Mongolia,China Nei Monggol(China)Mongolia

England England

Adriatic Sea from Slovenia to Croatia Germany Germany S Africa S Africa W USA New Mexico(US) New Mexico,Texas(US) Argentina Argentina Italy,Greenland,Germany,USA New Jersey(US) Germany Italy,Germany Germany France,China,Africa France Anhui(China) La Grive(FRA) Yugoslavia Yugoslavia Yugoslavia

Wyoming(US) Mongolia Mongolia N & S America

Venezuela Czech Republic Czech Republic Brazil,W Indies

Bahamas Dominican Republic Puerto Rico Barbuda,British Leeward Islands Minas Gerais(Brz) Dominican Republic NE Mexico Monterrey(Mexico) Australia Eurhinilla(AU) E USA Alabama(US) Germany Germany Austria Germany China Nei Monggol(China) China Djadochta(China)

W USA Texas(US) Texas(US) Oklahoma(US)

W USA,Morocco Wyoming(US) Texas(US)Africa Wyoming(US) Wyoming(US) Wyoming(US) Texas(US)Africa? Morocco Angola Angola

S USA,C & S America Dominican Republic

Europe,S Asia France France Poland,France England,Russia,Romania,France,Spain France France

Czech Republic Belgium Germany

China Anhui(China) Anhui(China) Anhui(China)

W USA Arizona(US) India India Mexico Tlayua(C Mexico) W USA California(US) S Africa S Africa E USA,Mexico,W Indies Bahamas,Cuba Barbuda,Antigua,British West Indies Florida,Georgia(US)Bahamas Puerto Rico Dominican Republic Hispaniola Puerto Rico Dominican Republic Florida(US)Bahamas,Hispaniola Dominican Republic Mexico Cuba Puerto Rico Puerto Rico

Cuba Puerto Rico Dominican Republic,Haiti Barbados Florida(US)Mexico,Bahamas,Cayman Islands,Cuba Florida(US) Wallingford Cave(Jamaica) Puerto Rico,barbuda,Bahamas,British West Indies

Barbuda

Germany Germany

China Anhui(China) China Guizhou(China) S Africa,Tanzania,Russia Kotel'nich(Russia) S Africa

Tanzania S Africa Kotel'nich(Russia) Kotel'nich(Russia) S Africa E USA Ohio(US) Ohio(US) N America Lebanon Lebanon France France W USA California(US) W USA Wyoming(US)

Czech Republic Europe W USA Texas(US) Texas(US) USA Illinois(US) USA Illinois(US) England,Siberia England,Siberia Canada,E USA Nova Scotia(Cnda) Ohio(US) W USA Kansas(US) Canada Nova Scotia(Cnda) Russia Vyazniki(Russia) China Xinjiang(China) Germany Germany Solnhofen(Germany) Germany

Morocco Morocco Argentina Argentina Ischigualasto(Argentina) Dominican Republic,Haiti,Jamaica,Bahamas Dominican Republic,Haiti,Jamaica Jamaica Bahamas Jamaica Germany Argentina,Chile,Antarctica Chubut,Patagonia(ARG),Chile,Antarctica Chile W USA Arizona(US) W USA New Mexico(US) W USA Wyoming(US) China,Mongolia Nei Monggol(China)Mongolia

Texas(US) W USA New Mexico(US) China China Switzerland,Italy Italy W USA Oklahoma(US) England England W USA Nevada(US) France France Morocco Morocco W USA Oklahoma(US) Mongolia Mongolia Bayan Mandahu(China) USA Ohio(US) New Mexico(US) W USA Wyoming(US)

Wyoming(US)

USA New Jersey(US)

New Jersey(US) Madagascar Madagascar Mexico Mexico

Mongolia Mongolia

Russia W Russia W Russia W USA Oklahoma(US) Germany Mexico Yucatan(Mxco)

E Canada Prince Edward Island(Cnda) England England California(US)

Germany Germany Germany Solnhofen(Germany) Germany

USA

Spain,Portugal,England Spain Portugal,England Russia Russia Belebey(Russia) Europe,N America New Mexico(US) Germany Germany Germany

Germany New Mexico(US) Texas(US) Connecticut(US) Italy Italy India India W USA Utah(US) China Sichuan(China) Morocco d'Ahl al Oughlam(Morocco)

Germany Russia Russia Russia Spasskoe I(Russia) Russia Russia Russia W USA,E Europe Oklahoma(US) Texas(US) Texas(US) Texas(US) Texas(US) Komi(Russia) Russia Kolguyev Island(NW Russia) W USA Utah(US) N America N America

Texas(US)

S Africa S Africa England,Madagascar Madagascar

Saratov(Russia) Scotland

Scotland

W USA

W USA,N Africa? Texas(US) S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa

Germany Germany Brazil,S Africa? Brazil Brazil

W USA Arkansas(US)

England England Madagascar S Africa S Africa Europe S Africa S Africa

C Asia Russia Russia

France France France Europe

W USA California(US) Colombia Colombia Europe W USA California(US) Argentina Buenos Aires(ARG) W USA Arizona,Texas(US)

Brazil Brazil Germany Germany

W USA Texas,Oklahoma(US)

Texas,Oklahoma(US) W USA Texas(US) W USA

Oklahoma,Texas,New Mexico(US) Texas(US) Texas(US)

Texas(US)

Texas(US) Belgium Belgium Belgium

Yugoslavia NW Yugoslavia China,Mongolia Nei Monggol(China)Mongolia France,W USA Texas(US) Texas(US) Texas(US) France W USA Texas(US) W USA Texas(US)

Germany,Argentina Germany,Argentina C America,W Indies Dominican Republic Dairy Cave(Jamaica) Dominican Republic N America N America

E USA Ohio(US)

Illinois(US)

Texas(US)

Switzerland Switzerland Switzerland Brazil Rio Grande do Sul(Brz) England England Argentina Argentina

Morocco,Menorca a'Ahl al Oughlam(Mrcco) Menorca Argentina Argentina Russia Sol'iletsk(Russia) Europe,E Africa,N America Germany,Czech Republic Kenya N America Mongolia Mongolia W USA New Mexico(US)

W USA,W Canada,Mexico Wyoming(US) Montana,Wyoming,New Mexico(US)Alberta(Cnda)Coahuila(Mxco) Wyoming(US) New Jersey(US) W Canada,France, W USA Alberta(Cnda) Montana(US) Montana(US) New Mexico(US) Montana(US)

N Dakota,Montana(US) Montana(US)

Montana(US)Alberta(Cnda) Alberta(Cnda) Montana(US) New Mexico(US) New Mexico(US) Alberta(Cnda) Montana(US) N Dakota(US) New Mexico(US) N Dakota(US) S Dakota(US) Wyoming(US) N America Montana(US) Argentina La Rioja(ARG) Argentina Kirgizstan China China China Anhui(China) China Shandong(China) China Anhui(China)

S Africa,E & S Asia S Africa,E & S Asia India S Africa India Shaanxi(China) S Africa Xinjiang(China) Russia Russia Russia Cis-Urals(Russia) Russia Russia

W USA Texas(US)

Germany Germany Germany Germany China Anhui(China) Anhui(China)

Mongolia Mongolia Mongolia Mongolia

China

China Guizhou(China) W USA Arizona(US) Australia Italy Italy

Australia,N America,Europe Maryland(US)

New Zealand

New South Wales(AU)

New South Wales(AU) New Jersey(US) Orenburg(Russia)

England

New South Wales(AU)

Alabama(US)

Australia

Queensland(AU) Switzerland Switzerland S Africa

Madagascar Madagascar

N Carolina(US) USA Illinois(US) Texas(US)

Texas(US) Texas(US) Pennsylvania(US) Texas(US) Illinois(US) Illinois(US) Texas(US) Illinois(US)

New Jersey(US) Pennsylvania(US) Pennsylvania(US) England,Canada,China Nova Scotia(Cnda) England Yunnan(China) England Yunnan(China) Yunnan(China) USA,Sweden New Jersey(US) New Jersey(US) New Jersey(US) Alabama(US) Kansas(US) Alabama(US)

Alabama,Kansas,Wyoming,Texas,Colorado,S Dakota(US)Manitoba(Cnda)Sweden Kansas(US)

Kansas(US) Kansas(US) Kansas(US) USA,Mexico Kansas(US) Oklahoma,Texas(US)Tamaulipas(Mxco) Texas(US) Kansas,Nebraska,Florida(US) California,Arizona,New Mexico(US) Florida,Kansas,Texas,Missouri(US) Florida,Nebraska,Texas,California,New Mexico,Arizona(US) California,Nevada(US)

W USA Texas(US) England England Germany Germany Russia

Lipovaya(Russia) Europe Madagascar,Germany,England Madagascar

W USA Arizona(US) S Africa S Africa W USA Oklahoma(US) W USA Texas(US) W USA Wyoming(US) Wyoming(US) S Africa S Africa England

Moscow(Russia)

England Europe Jordan N America

Europe,W USA

Texas(US)England England Mongolia,China Nei Monggol(China)Mongolia Guangxi(China)

Germany USA Wyoming(US) Wyoming(US) Wyoming,Montana(US) New Jersey(US) Wyoming(US) Russia Krasnie Baki(Russia) Lipovo(Russia) W USA Wyoming(US) N America Spain Spain Italy Italy W USA Oklahoma(US) Texas(US) Texas,Oklahoma(US)

China W USA Colorado(US) Colorado(US) Colorado(US)

Germany Germany Mongolia USA Texas,Kansas,Arizona,New Mexico,Nevada(US)Mexico Saskatchewan(Cnda) California,Nevada,Arizona(US) California,New Mexico,Nevada(US)Mexico

Germany Europe

England

Cuba

England Lyme Regis(England) England England

England Ul'yanovsk(Russia) Mongolia Mongolia

England,USA Wyoming(US)England,Portugal

Wyoming(US) W USA Texas(US) N & C America

Yucatan(Mxco) Yucatan(Mxco) Germany Germany Germany,W USA Germany New Mexico(US) USA Texas(US) Ohio(US)

Colorado(US) W USA Wyoming(US) Argentina Mendoza(Argentina) Germany,Italy,France,Israel

Switzerland,Italy

France,Germany Germany Germany Germany Poland W Indies St Thomas Island Puerto Rico,Virgin Islands Puerto Rico Puerto Rico,Bahamas

Germany,Poland,Austria,Israel Germany Germany

Poland

Germany Austria

Germany Israel W USA,Switzerland,Germany Switzerland Germany Nevada(US) Nevada(US) Switzerland Nevada(US)

Idaho(US) Mexico Tamaulipas(Mxco) W Canada Saskatchewan(Cnda) England S Asia,E Indies,S Pacific Mauritius Germany,Poland Germany,Poland

Hungary? Madagascar

Madagascar China Liaoning(China) Mongolia Mongolia

Scotland Scotland

Russia Bashkortostan(Russia)

W USA Oklahoma(US) W USA California(US) Mexico Yucatan(Mxco) Russia Kotel'nich(Russia) Russia

W USA Texas,Arizona,New Mexico(US) N Carolina(US) New Mexico(US) Texas(US) W USA Colorado(US)

China Lufeng(China) Lufeng(China) Lufeng(China) Argentina Santa Cruz(ARG) Argentina Santa Cruz(ARG)

Argentina Jujuy(ARG) W USA Utah(US) Ecuador Ecuador

Mauritius Mauritius W USA Utah(US)

W USA Wyoming(US) Wyoming(US) USA Texas(US) W Virginia(US) Texas(US) Texas(US) Texas(US) Texas(US) Texas(US) Oklahoma(US) Texas(US) Texas(US) Texas(US)

Texas(US) Texas(US) Texas(US) Texas(US) Texas(US) Oklahoma(US) Texas(US) Texas(US) Texas(US) Texas(US)

Texas(US)

Texas(US) Texas(US) New Mexico(US) Texas(US) New Mexico(US) Oklahoma(US) Texas(US) Texas(US) Texas(US) Ohio(US)

Italy,England England Italy,England Cromhall(England) W Indies

Puerto Rico Dominican Republic E USA New Jersey(US) N America W USA Nebraska(US) California(US) California(US) E USA Germany Alabama(US) S Africa S Africa S Africa New Mexico(US)

Wyoming(US) S Africa

W USA Kansas,Wyoming(US)

England,France France England Europe

Russia,Sweden Voroshilovgrad(Russia) Kristianstad(Sweden) Russia Donguz(Russia) Russia Sol'Iletsk(Russia) Russia Russia

France France France France Russia Russia Sol'Iletsk(Russia) England,Portugal,W USA,Mongolia England England,Portugal Wyoming(US) N America Colombia Colombia France France France

India

N Italy N Italy England England Germany Germany W USA Oregon(US) Mongolia Mongolia Germany Germany

E Canada Nova Scotia(Cnda) W USA,Germany? Kansas(US)Germany? Kansas(US) W USA

Texas(US) USA,Germany,Czech Republic Texas(US) Texas(US) Pennsylvania(US) Germany Texas(US) Texas,Oklahoma(US) Kansas(US) Texas(US)

Czech Republic New Mexico(US) Texas(US) Pennsylvania(US) Texas(US)

W USA Montana(US) Australia S Australia(AU) Germany Germany Germany

Europe Germany Germany W USA Colorado(US) N America Spitsbergen Uzbekistan Uzbekistan Germany Germany

S Africa N America,Russia Don(Russia) Kama(Russia) Kansas(US) Kursk(Russia) Kansas(US)

New Jersey,Montana(US) Orenburg(Russia) N America Sakhalin(Russia) Penza(Russia)

Wyoming(US) Egypt

W USA New Mexico(US) W USA California(US) S Africa, G Britain, Scotland Scotland G Britain S Africa S Africa Tennessee(US) Germany Germany S Dakota(US)

Texas(US) S Africa

S Africa

Russia W Russia

Italy Italy Russia Sol'Iletsk(Russia) France Russia E Russia W USA

W USA Wyoming(US) W USA Wyoming(US) Wyoming,Colorado(US) Germany Geiseltal(Germany)

Germany Germany Germany Russia Volga River Basin(Russia) Germany Germany S Africa S Africa W USA Texas(US) Mongolia Mongolia Mongolia Mongolia S Africa

W USA

New Mexico(US) Mongolia Mongolia Mongolia Mongolia Morocco Beni Mellal(Morocco) England Vilyui(Russia) England Vilyui(Russia) Argentina Santa Cruz(ARG) Santa Cruz(ARG) Santa Cruz(ARG)

Scotland Scotland

Connecticut(US) S Africa S Africa Russia

W USA Texas(US) Mongolia Mongolia Russia Khatangskii Gulf(N Russia) Scotland Scotland Germany Germany

Texas(US) N Africa,N America,Europe Morocco

Nebraska(US) France Florida(US) Missouri,Maryland,Kansas,Florida(US) Florida(US) Florida(US) California(US) Kansas(US) Florida(US) Bermuda Nebraska(US) Texas(US) Texas(US) Texas,Nebraska,Kansas,New Mexico(US) S Dakota,Kansas(US) California(US) Florida(US) N Dakota(US) California(US) Nebraska(US) Nebraska,Florida,S Dakota,Kansas(US) Kansas,Texas(US) Texas(US) W USA Kansas(US) Kansas(US) China Shanxi(China) Shanxi,Inner Mongolia(China)

S Africa S Africa S Africa S Africa S Africa

France France France France France France England,Germany Germany England,Germany England Europe England

W USA

France

E USA Virginia(US) England England Russia Orenburg(Russia) W USA Wyoming(US) Wyoming(US) Montana,Wyoming(US) Wyoming(US) Colorado,Wyoming(US) Wyoming(US) Montana,Wyoming(US) Argentina Los Colorados(ARG) China Shanxi(China) Mongolia Mongolia

W USA California(US)

China Shanxi(China) China Xinjiang(China) China China Yunnan(China) S Africa S Africa

California(US) Russia Komi(Russia)

Russia Orenburg(Russia) Russia Russia Russia Russia

Madagascar Aldabra Germany Germany

Germany

E Africa E Africa

Russia Penza(Russia)

France England England

France France France Poland

Poland Poland N America USA New Mexico,Montana,Colorado,Nebraska(US) New Mexico,Wyoming,Nebraska,Montana(US) California(US) California(US) Kansas,Nebraska(US) Florida,New Mexico,Colorado,Texas,Wyoming,Nebraska(US) California(US) Nebraska(US) Kenya Kenya Kenya W USA Wyoming(US) Mongolia Mongolia W USA Texas(US) Slickstones(England) Mongolia Mongolia Europe,N America,SW Asia,N Africa,E Indies Niger,Jordan,Egypt Alabama(US) S Dakota(US) Jordan(US) Kansas(US) Jordan(US) N America Israel,Syria,Egypt,Angola,Brazil

W USA

New Mexico(US) Wyoming(US) Wyoming(US)

Colorado(US) Wyoming(US)

Colorado,Nebraska(US) Colorado(US) California(US) Montana(US) Wyoming(US) Wyoming(US)

Colorado(US) Wyoming(US) Wyoming(US) Wyoming(US) Utah(US) S Dakota(US) Wyoming(US) Wyoming(US) Colorado,Wyoming(US) Mongolia Mongolia Mongolia Mongolia Mongolia Mongolia India India E USA Virginia(US) N America Mauritius Mauritius

Nigeria Nigeria Germany Germany Argentina Argentina

France France England England Spitsbergen

Spitsbergen Argentina La Rioja(ARG) China Shaanxi(China) Mongolia Mongolia Mongolia

Pennsylvania(US)

Israel Israel

W USA Arizona(US) Belgium,France,Canada,Sweden Belgium,France France Manitoba(Cnda) Sweden

China Shanxi(China)

Canada Nova Scotia(Cnda) USA,Belgium,Peru,Morocco,Syria,Sweden New Jersey(US) New Jersey(US)

Kansas(US) Belgium New Jersey,Maryland(US) Peru Jordan Sweden

Kansas,Alabama(US)

China Hubei(China) W USA Wyoming,Montana(US) W USA,England,France,Germany Colorado(US)France,Germany Kansas(US) Europe England Germany Europe Germany Montana,Wyoming(US) Montana,Wyoming(US) Wyoming(US) New Jersey(US) W USA Utah(US)

Wyoming(US) Wyoming(US) Wyoming(US)

W USA Nebraska(US) Germany Germany

Russia S Africa S Africa S Africa S Africa

S Africa S Africa

USA,France France

Colorado,Nebraska(US) Florida(US) Nevada(US) Texas(US) W USA,China Wyoming,Montana,Nebraska(US) Nei Monggol(China) S Dakota(US) Utah(US) Wyoming,Montana,S Dakota,Nebraska,Colorado(US) Switzerland Switzerland Africa,S Asia,Pacific,Mauritius Zanzibar Mauritius E Africa?

Poland

Germany Germany W USA Wyoming(US)

Switzerland

W USA Utah(US) Europe China Tibet(China)

Mongolia Mongolia Mongolia,Uzbekistan Uzbekistan Mongolia

Colorado(US) W USA,Mexico Nebraska(US) Colorado,Kansas,New Mexico(US)Mexico Texas(US) Kansas(US) Kansas,Texas,New Mexico(US) N America New Jersey,S Carolina,Alabama(US)

W Canada Saskatchewan(Cnda)

Kansas(US)

Germany

Germany Germany Germany Germany Germany Germany

Germany

Germany Germany Germany

China Shanxi(China) Brazil

Brazil

Madagascar Madagascar S Africa S Africa China Shanxi(China) Canada British Columbia(Cnda) Mexico Mexico

China China Shanxi(China) W USA Nebraska,S Dakota,Wyoming(US)

Austria

W USA California(US)

Canada hibia Index) Germany Nova Scotia(Cnda) S Africa Scotland,G Britain,India,Brazil,Argentina,Tanzania,Zimbabwe,Canada Scotland Rio Grande do Sul(BRZ) India Argentina,Brazil Argentina,Brazil

China Liaoning(China) Liaoning(China)

Texas(US) W USA S Dakota,Colorado(US)

Wyoming(US) Tanzania Tanzania W USA California(US) E USA New Jersey,Pennsylvania,Connecticut(US) New Jersey(US)

E USA New Jersey(US) W USA Kansas(US)

Spain,Portugal Spain,Portugal E USA New Jersey(US) New Jersey(US) Europe,Greenland,N America Germany Germany Germany Queensland(AU)

England

California(US) Russia,England England

England

England England

California(US)

England British Columbia(Cnda) Kursk(Russia) Germany England

Germany Queensland(AU)

Moscow(Russia)

England Germany Germany England Ul'yanovsk(Russia) Germany? France,England England Cuba Germany Ul'yanovsk(Russia)

Niger,Jordan Niger(material originally ascribed to Egypt), Jordan Mongolia Mongolia W Indies,S America Martinique,Lesser Antilles

Italy California(US)Barbados

Ecuador Anguilla(AWI) Jamaica Puerto Rico W USA Wyoming(US) Wyoming(US)

Germany

Germany Mongolia Mongolia Nei Monggol(China) Spain Spain

Russia Kolguev(Russia)

Mongolia Mongolia

Madagascar Madagascar Madagascar

Switzerland

USA S Dakota(US) Czech Republic Czech Republic Spitsbergen Spitsbergen Mongolia,China Nei Monggol(China)Mongolia Russia Rassypnaya(Russia) W USA Wyoming(US) Algeria Algeria Russia Koltaevo(Russia) Germany Germany Australia New South Wales,Queensland(AU) W USA Texas,Oklahoma(US) New Zealand New Zealand Australia Queensland(AU) France,Germany France Germany

England,Russia Zheshart(Russia) England Petropavlovka(Russia) Berdyanka(Russia) China China

Germany China Kenya Kenya Russia Saratov(Russia) Mongolia,Russia Lake Gusinoe(Russia) Mongolia England England Russia W Russia S Africa

Germany Germany N America

California(US) Madagascar Madagascar Australia,Colombia Colombia Queensland(AU) Australia New South Wales,Queensland(AU) Great Britain England Great Britain Great Britain

China Yunnan(China) China W USA Texas(US) Texas,Oklahoma(US) W USA

Texas(US)

Europe,Mediterranean,E Indies,N Africa,C Asia Aridos(Spain) Germany,Russia France France France Sicily Crete Germany,Poland Poland,Hungary France England France France Canary Islands France France,Germany,Spain Canary Islands

Germany France France France

Germany Germany France France Malta,Sicily Canary Islands Montaigu-le-Blin(FR) Cudmore Grove(England) Europe(widespread) Canary Islands Hungary,Romania,Sicily,Italy,Monaco Germany S Africa S Africa Mexico Yucatan(Mxco) Argentina Chanares(ARG) Argentina

Chanares(ARG)

Poland Poland

Wyoming(US) Wyoming(US) N Italy N Italy N Italy Russia Mezen(Russia) Russia Arkhangel'sk(Russia) Russia E Russia France France E Indies Spain,Italy,Switzerland,Austria Italy,Israel

Italy Switzerland Switzerland

Switzerland

Israel Italy,Switzerland Guizhou(China)

W Indies,N America Dominican Republic

Bahamas Barbuda Puerto Rico Martinique,Barbuda Jamaica Nebraska(US) Puerto Rico Dominican Republic Nebraska(US) Florida,Wyoming,Nebraska(US)Cuba Nebraska(US) G Britain,Holland,N America England

Holland Mauritius Mauritius Mauritius Argentina Mendoza(ARG) Buenos Aires(ARG) Mexico Yucatan(Mxco) Tamaulipas(Mxco)

Mongolia USA Montana(US) Wyoming,Montana,New Mexico(US) Wyoming(US) New Jersey(US) W USA California(US) Europe,Australia,S Africa S Africa W Australia(AU) Queensland(AU) England W USA Kansas(US) England England England

England Scotland Scotland Europe

Germany,France Germany England England,France Russia

Germany

Texas(US) Texas(US) Texas(US) Texas(US) Russia Lestanshor(Russia)

W USA Wyoming(US) Wyoming(US) Wyoming(US)

Kansas(US) Canada Alberta(Cnda) Russia Kursk(Russia) Argentina Argentina W USA Texas(US) W USA Texas(US) France France

Lesotho

Wyoming(US) France,Netherlands,E USA England Alabama(US)

France

Germany Alabama(US) France

Orenburg(Russia) New Jersey(US)Netherlands Europe,S America,N America?

England,France,Russia

England,Argentina,N America

England England Chuvashia(Russia)

Portugal Portugal Portugal W USA Wyoming(US) Wyoming(US) Kirghizia Kirghizia Italy W USA Texas,New Mexico(US)

Germany Germany China Hunan(China) W USA Colorado,Nebraska(US) N America Russia China Yunnan(China) W USA Texas(US) Texas(US) Argentina Argentina Zanzibar Zanzibar

Africa Kenya

N America

Puerto Rico,Madagascar,Aldabra Puerto Rico Aldabra USA England

Canada British Columbia(Cnda)

Arizona(US)

W USA New Mexico(US) Wyoming(US) Colorado,Wyoming,Nebraska(US)

Montana,Wyoming,New Mexico(US)

Mongolia Mongolia Mongolia Mongolia

Italy,Switzerland Germany Italy,Switzerland Europe Russia Mezen(Russia) Czech Republic Czech Republic

Italy

Mascarene Islands

Russia Zheshart(Russia)

England England England Europe,S America

W USA S Dakota(US) Czech Republic Czech Republic

USA

New Jersey(US) Germany

W USA,India Texas(US) India Russia Cis-Ural(Russia) Tanzania Tanzania Argentina Argentina Argentina Neuquen(ARG) England

New Zealand

England New Zealand Germany? Germany? Italy Italy Australia Queensland,S Australia,New South Wales(AU) S Australia(AU)

W USA Wyoming(US)

Wyoming(US) Germany

Belgium,W USA,France Wyoming(US) Wyoming(US) Belgium,France USA W Virginia(US) W USA Wyoming(US) Wyoming(US) W USA California(US) Russia Mezen(Russia) S Asia Europe

Germany Germany signed to Paleorhinus S Africa,Brazil Brazil S Africa S Africa S Africa,Brazil S Africa,Brazil S Africa S Africa E Asia Japan?

Texas(US) Spain Spain Europe

Europe

England

Russia Vologda(Russia) Russia Austria Austria

Russia Donguz(Russia) S Africa S Africa S Africa Switzerland Switzerland S Africa

S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa E USA Illinois(US) Mongolia,China Djadochta(China) Nei Monggol(China)Mongolia Mongolia China China E Asia China Yunnan(China) Europe,China,New Zealand Germany,France,Poland Italy,Switzerland,China

Switzerland Spitsbergen Guizhou(China)

British Columbia(Cnda) Spitsbergen Canada Switzerland New Zealand New Zealand Argentina Neuquen(ARG) Mongolia Mongolia E Asia China Shandong(China) Liaoning(China) Niger,Madagascar Niger Niger Niger W USA California(US) Antarctica Antarctica Mongolia Mongolia

Europe,N America,Japan,New Zealand Germany Egypt,Morocco Netherlands Egypt,Jordan Alabama(US) New Jersey(US) Netherlands New Jersey(US)

New Jersey,S Dakota(US) Don(Russia) New Zealand New Jersey(US)

Japan Alabama(US)Netherlands,Belgium,Turkey,Poland,Bulgaria,Niger,Congo

Angola Kansas(US)Sweden

New Zealand

New Jersey,Texas(US) Alabama,Georgia(US) S Dakota(US) New Jersey(US) New Zealand

New Jersey(US) S Dakota(US)

New Jersey(US)

Europe,W Indies,S America England

Moscow(Russia) Kama(Russia) England

Moscow(Russia) S America? England

W USA Texas(US) Colorado(US) Argentina S Africa S Africa S Africa W USA Kursk(Russia) Wyoming(US) Germany,Italy Germany,Italy

Germany

China China England England S Africa S Africa S Africa S Africa S Africa W USA Wyoming(US) W USA Texas(US) Texas(US) Texas(US)

Czech Republic

Germany,France,Switzerland,Belgium,England France Germany

France,Switzerland,Belgium,England

E USA New Jersey(US) W USA California(US) Israel Israel Argentina Los Colorados(ARG) Russia Penza(Russia) China Shaanxi(China) France France Germany,Italy,Switzerland

Italy Switzerland Germany,Switzerland,Italy

France,Germany,Switzerland,Austria Italy,Switzerland Austria Germany,USA,India W USA Texas(US) Utah(US) Texas,Arizona(US) Germany India Germany Texas(US) Germany Texas(US) Connecticut(US)

W USA New Mexico(US) S Africa S Africa S Africa W USA Nebraska(US) S Africa S Africa S Africa S Africa Germany,SW Asia

Germany

Netherlands Germany Spain Germany Germany Israel

Germany

Germany Germany France

Germany

Germany Germany

Germany Israel

Israel Kweichou(China) Germany Netherlands Australia New South Wales(AU)

Europe,Africa Europe,Zanzibar?

Russia Belebey(Russia) Russia Chirki(Russia)

Russia

Russia Russia W Russia France France Argentina Mendoza(ARG) W USA New Jersey(US) Wyoming(US) Wyoming(US) Wyoming,Colorado,Montana(US) Wyoming,Colorado(US) Texas(US) New Mexico(US)

W USA Wyoming(US) W USA New Mexico(US)

W USA Kansas(US) Nebraska,Kansas(US) W USA Wyoming,Montana(US) Wyoming(US)

N America Brazil France France N America Spitsbergen,N America Germany Nevada(US) Nevada(US) Spitsbergen

Germany Germany Yugoslavia Yugoslavia New Mexico(US) Ohio(US) New Mexico(US) Kansas(US) Texas(US) New Mexico(US) New Mexico(US) Texas(US) Texas,Ohio(US) Texas(US) Texas(US) Texas(US) W USA Texas(US)

Germany Germany Germany

Germany France,Germany,USA,Canada,SW Asia Germany Kansas,Oklahoma(US) France Saskatchewan(Cnda) Sansan(France) Florida(US) Czech Republic Germany

Morocco France Germany

Hungary,Austria,Poland,Czech Republic,Russia,Romania Switzerland France Germany Florida,Texas(US)England,Belgium,Spain,Turkey,France Bardenas Reales(Spain) Nebraska(US) Czech Republic

Florida,Nebraska,Kansas,Missouri(US) Germany W USA Norway,England,W USA,Russia,Argentina England Wyoming(US) England Neuquen(ARG) Wyoming(US) Neuquen(ARG) Wyoming(US) Russia Ul'yanovsk(Russia) W USA Wyoming(US) Wyoming(US) Madagascar Aldabra Atoll Russia Nikolaya(Russia)

Lipovskaya(Russia)

Scotland,Lesotho Scotland

Lesotho Scotland Scotland Europe N America W USA Texas(US)

W USA Texas(US) W USA Wyoming(US) Wyoming(US) Wyoming(US) Russia Volga Region(Russia) Ul'yanovsk(Russia) Saratov(Russia) S Africa S Africa S Africa S Africa Uzbekistan Uzbekistan Europe

England England China Shandong(China) Europe Italy,Switzerland

Italy,Switzerland Italy Germany,England Germany,England China Yunnan(China)

N Africa India India

S Africa S Africa S Africa S Africa N America

France

USA Pennsylvania(US) Pennsylvania(US)

Texas(US) Texas(US) Germany Germany Germany Germany

Germany Germany USA,Canada Wyoming(US) Wyoming,Montana,New Jersey(US)Alberta(Cnda) Wyoming(US) Wyoming(US) Europe

Pennsylvania(US)

W USA Colorado(US) USA,W Canada California(US) Saskatchewan(Cnda) Wyoming(US) Wyoming(US) Montana,Wyoming,New Mexico(US) California(US) Wyoming(US) Florida(US) W USA Wyoming(US)

W USA,Morocco,India,Austria,Germany Germany Wyoming,Texas(US) Germany Texas(US),Africa Germany India Germany Morocco Germany Wyoming(US) Texas(US) Texas(US) Texas,Wyoming,New Mexico(US) Germany Canada,Europe Nova Scotia(Cnda) USA Florida(US) S Africa,France? S Africa

E Africa Mexico Tlayua(Mxco) W USA

Montana(US) Montana(US) Europe

Germany N America(some sources cite Europe,Africa also) Wyoming(US) China Shanxi(China)

Russia

W USA Texas(US) W USA California(US) Scotland,India India India W USA Montana,Wyoming(US) N America Wyoming(US) Mexico Guanajuato(Mxco) W USA Nebraska(US) California(US) W USA Utah(US) Utah(US) W USA

Colorado,Wyoming(US) Colorado(US) New Mexico(US) Colorado(US) Wyoming(US) New Mexico(US) New Mexico(US) England,W USA Montana,Wyoming(US) Wyoming(US)England Wyoming(US) Utah(US) Mongolia Mongolia Italy,Switzerland,Germany

Europe Russia Saratov(Russia) Saratov(Russia) Saratov(Russia) Ul'yanovsk,Mosco(Russia) W USA Colorado(US) Switzerland Switzerland W USA Montana(US) Wyoming(US) Germany Germany Germany W USA Wyoming(US) Montana,Wyoming,Colorado(US) Montana,Wyoming(US) W USA

Wyoming,California(US) Germany Germany

Europe,India,N & S America,Madagascar India

W USA,Germany,Greenland W USA,Germany,Greenland Texas,Arizona(US) New Mexico(US) Mongolia Mongolia Mongolia Mongolia Switzerland Switzerland E USA W Virginia(US) S Africa,Zambia,Tanzania,N Russia

Brazil

Dvina(Russia)

Dvina(Russia) Dvina(Russia) Zambia,S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa Dvina(Russia)

Europe,Africa

Zambia,S Africa S Africa

Madagascar Aldabra

W USA Texas(US)

Texas(US)

Texas(US) W USA New Mexico(US) W USA Wyoming,Nebraska,Colorado,S Dakota(US) Tanzania Tanzania Austria Austria Austria Austria Mongolia Mongolia Canada British Columbia(Cnda)

England England Lesotho England England England England Russia England USA,Canada Nebraska(US) S Dakota(US) Florida(US) Wyoming,Nebraska,N & S Dakota,Colorado,Florida(US) Wyoming(US)

Nebraska(US) Wyoming(US) Florida(US) Montana(US) N Dakota(US) S Dakota(US) Wyoming(US) Saskatchewan(Cnda) W USA Montana,Texas,Utah(US) Utah(US) China China

Europe

Spitsbergen Spitsbergen Spitsbergen Spitsbergen Alberta(Cnda)Spitsbergen Spitsbergen Germany W USA Kansas(US) S Africa S Africa N America S Africa S Africa Russia Spasskoe(Russia) W USA,Spitsbergen Nevada(US) Nevada(US)Spitsbergen

Mascarene Islands Mauritius Mauritius Rodriguez Island

Aldabra Italy

USA

Russia Baskir(Russia) W USA,Mexico Colorado(US) Kansas(US) California(US) Wyoming(US) Kansas,Texas,New Mexico,Arkansas,Nebraska(US) California(US) S Dakota,New Mexico,Nevada,Texas(US) Colorado(US) Kansas(US) Mexico Kansas(US) Mexico Nevada(US) Arkansas(US) California(US) Hidalgo(Mxco) Nebraska(US) Mongolia Mongolia Europe Switzerland? Czech Republic Czech Republic Australia Queensland(AU) Germany,W USA New Mexico(US) Germany New Mexico(US)

Germany Texas(US)

New Mexico(US) Europe

Germany,France Germany USA New Mexico(US) New Mexico(US) New Mexico(US) Mongolia Mongolia W USA

Germany,France Germany Germany

Italy

Italy,Hungary

Italy Italy Hungary Italy Italy Germany,SW Asia

Germany

Germany Germany Germany Germany Germany England,Switzerland,Germany,France,China,Mongolia France France France France

France Nei Monggol(China)Mongolia France France Honan(China)Switzerland,France,England Germany Germany Germany G Britain England

USA, Angola, France,Sweden Kansas(US)

Kansas(US) Angola Texas,S Dakota,Alabama(US)France,Sweden

Kansas,Alabama(US) Kansas,Alabama(US) Kansas(US) Wyoming,Kansas,Alabama(US) Alabama(US) Kansas(US) Kansas(US) Kansas(US) Jordan France,Sweden Kansas(US) Kristianstad(Sweden) Kansas(US) Kansas,Mississippi(US)

S Africa

Europe,Australia,N America Wyoming(US) Queensland(AU) Saratov(Russia) Ul'yanovsk(Russia) Ul'yanovsk(Russia) Kursk(Russia) Queensland(AU)

Ul'yanovsk(Russia) W USA Colorado(US) Colorado(US) Colorado(US) England,France,Belgium,Germany England,France,Belgium Germany W USA Wyoming(US) W USA New Mexico(US) Europe,W USA

New Zealand

England

Germany

S Africa

Chile

England

New Zealand

England nsi

England

Germany

G Britain Penza(Russia) California(US)

New Zealand

Lonely Island(Russia)

New Jersey(US)

New Zealand England

England Queensland(AU)

Jordan

Crimea

New Mexico(US) New South Wales(AU) England

Queensland(AU) France New Zealand

W USA California(US)

W USA Oklahoma(US) China,Mongolia Nei Monggol(China)Mongolia

France,Germany France Germany Belgium,W N America Kansas(US) New Jersey(US) Belgium Belgium S Dakota(US)Saskatchewan(Cnda)

Europe,E & C Asia,S America England

England,France

England

Moscow(Russia) England Saratov(Russia) Argentina,England,N America England Chuvashia(Russia) England England England Moscow(Russia) Europe,N America California(US) California(US) Niger,Nigeria Niger,Nigeria Russia Ul'yanovsk(Russia)

W USA Texas(US) S Australia(AU) W USA Texas(US) Mongolia Mongolia N America Russia

Don(Russia) Voronezh(Russia) Voronezh(Russia) Kansas(US) Kansas(US) Orenburg(Russia) New Zealand Penza(Russia) W USA,Mexico Baja(Mxco) Utah(US) Utah(US) E USA New Jersey(US) Europe,N America

Mexico

Canada Alberta(Cnda) Germany Germany

Europe W USA Wyoming(US) New Mexico(US) W USA Texas(US) Brazil Rio Grande do Sul(Brazil) Rio Grande do Sul(Brazil) Brazil

S Africa W USA Utah(US)

Wyoming(US) Argentina Argentina China,Mongolia Nei Monggol(China)Mongolia Brazil Minas Gerais(BRZ) Europe Brazil Rio Grande do Sul(Brazil) S Africa,Antarctica,Australia,Brazil

S Africa

Brazil Antarctica,S Africa Queensland(AU)

S Africa,Antarctica S Africa

Mongolia Mongolia Russia

W USA Colorado(US) USA,New Zealand,France,Israel Zaire N Dakota(US) Kansas(US) Israel France,Belgium,Egypt,Israel,Syria,Angola S Dakota(US) New Jersey(US) Netherlands Belgium Colorado(US) New Zealand

Europe

S Africa,Antarctica S Africa,Antarctica S Africa,Antarctica China Xinjiang(China) W USA

Poland Austria Poland Poland S Africa Mongolia Mongolia

Italy Italy

Brazil,Argentina San Juan(ARG) Brazil

India,China,S Africa S Africa S Africa S Africa China W USA,Rhodesia Texas(US) Rhodesia

Canada Nova Scotia(Cnda) Europe England,Germany,France England,Germany,France Argentina Argentina Germany,England England Germany,England W USA Texas(US)

E USA New Jersey(US)

W USA Wyoming,California,Montana(US) Wyoming(US) New Mexico(US) W USA Wyoming,Utah(US) Montana(US) Wyoming,Montana,Utah(US) Wyoming(US) Montana,Wyoming(US) New Mexico(US) Texas(US) Europe Germany,Italy England

Germany,SW Asia Israel Israel

Egypt Egypt Ceratiles Beds(Israel) Germany France,Germany France France Germany France,Belgium France France France,Belgium Argentina Chanares(ARG) W USA Arizona(US) W USA

Arizona,New Mexico(US)

W USA Wyoming(US)

England,USA Utah(US) England England Austria Austria Austria

S Dakota(US) W USA Oklahoma(US) W USA W USA California(US) Queensland(AU) China Guizhou(China) China Anhui(China)

India India

China

Brazil

Rio Grande do Sul(Brazil) India India W USA W USA New Mexico(US) W USA New Mexico(US) W USA Wyoming(US) Texas(US) USA Brazil Brazil Austria Austria

USA Colorado(US) Wyoming(US) Colorado(US) Florida(US) S Dakota,Nebraska,Colorado(US) Colorado(US) Nebraska(US)

S Dakota(US) Wyoming(US) Wyoming(US) Colorado(US) Russia Simbirsk(Russia) Russia Simbirsk(Russia) Kansas(US) W USA Russia Russia N Russia

France France England

England England England England

Germany,England England England England England England England Shandong(China) England

Connecticut(US) Russia Queensland(AU) New Zealand New Zealand New Zealand New Zealand

England England Argentina Los Colorados(ARG) Russia W USA

Texas(US) Texas(US) W USA Texas,Oklahoma(US) W USA Texas,Oklahoma(US) Morocco

W USA New Mexico(US) Germany,Asia,USA,Canada Arizona(US) New Mexico(US)Europe,Asia New Mexico(US) N Carolina,Arizona,Pennsylvania,New Jersey(US)Nova Scotia(Cnda) Texas,Arizona(US) Texas(US) Arizona(US) Texas(US) N Carolina(US) Pennsylvania(US) Arizona(US) New Jersey(US) Pennsylvania(US) Arizona(US) N Carolina(US) Germany,France New Mexico(US) Pennsylvania(US) N Carolina(US) New Jersey,Connecticut(US)Germany,Switzerland Texas,New Mexico(US) Arizona,New Mexico(US) New Mexico,Connecticut,Arizona(US) Arizona(US) Japan Japan

Scotland Russia Orenburg(Russia) China Guizhou(China) China

Switzerland W USA,Germany Wyoming(US) New Mexico(US) Wahlbeck(Germany) Wyoming(US) Santa Cruz(ARG) California(US) Wyoming(US) Wyoming(US) Wyoming,New Mexico(US) Germany Wyoming(US) Wyoming(US) Wyoming(US) Belgium Wyoming,Utah(US) Wyoming,New Mexico,Colorado,Nebraska(US)France Mongolia Mongolia

China Xinjiang(China) France

France Russia Donguz(Russia) France Wyoming(US) Wyoming(US) England,Portugal Portugal Portugal Germany,England,Portugal

Germany,England,Portugal

W USA Texas,Wyoming(US) Texas(US) W USA

Arizona,California,Nevada(US)

France France

Germany Germany S Africa S Africa Poland Poland S Africa,Poland? S Africa

Argentina Ischigualasto(ARG) Ischigualasto(ARG) Sweden,Russia? Orenburg(Russia)

Brazil,India,Argentina

Brazil Argentina Brazil

USA,Canada,Mexico New Mexico(US) New Mexico(US) Arizona,New Mexico(US)Saskatchewan(Cnda) Texas(US) Arizona,New Mexico(US) Tamaulipas(Mxco) California,Nevada(US)

Zumpango(Mxco) California,Nevada(US) Chihuahua(Mxco) California,Nevada(US) Texas(US) Texas(US) Kansas(US) Hidalgo(Mxco) Nebraska(US) W USA (widespread),Mexico Texas to Maryland(US) Texas(US) Aldabra Aldabra

Russia Russia Russia W USA Scotland Scotland Switzerland Switzerland W USA New Mexico(US) Canada Nova Scotia(Cnda) Russia Dvina(Russia) Dvina(Russia) Dvina(Russia) Dvina(Russia) Kotel'nich(Russia) Sokolki(Russia) Russia Donskaya(Russia) W USA Texas(US) Texas(US) Texas(US) Texas(US)

Germany Germany Germany E USA Alabama(US) Switzerland Switzerland China Shanxi(China)

China Shanxi(China) Shanxi(China) Shanxi(China) Kirghizia Kirghizia Kazakhstan Europe,N America California(US)Sonora(Mxco) California(US) California(US) Austria British Columbia(Cnda) British Columbia(Cnda) Germany Dyugadyak(Russia) California(US) California(US) California(US) Iganii(Russia) Monte San Giorgio(Italy) China Xinjiang,Shanxi(China) China Kweichou(China) Mongolia Mongolia W USA,China Nevada(US) Nevada(US) Nevada(US) Tibet(China) W USA Texas,New Mexico(US) England England Argentina Ischigualasto(ARG) Switzerland Switzerland Russia Ul'yanovsk(Russia) Europe,N America W USA,Europe N Dakota(US)

France,England,India,Africa India France Africa England Germany,France,Austria Austria Germany,France

France

China Nei Monggol(China) China Liaoning(China) China China

N America Mongolia Mongolia

Germany W USA W USA Canada Alberta(Cnda) W USA Wyoming(US) Wyoming(US) Puerto Rico,Bahamas Dominican Republic Puerto Rico Cuba Cuba USA,England England New Mexico(US)

New Mexico(US) New Zealand

New Zealand

S Australia(AU) Czechoslovakia N America USA Pennsylvania(US) W USA Kansas(US) W USA Texas(US) S Africa S Africa S Africa Russia Moscow(Russia) Moscow(Russia)

Scotland,Argentina,W USA Scotland Ischigualasto(ARG) Arizona,New Mexico(US) Tanzania Tanzania Tanzania Tanzania

New Jersey,Connecticut(US) Connecticut(US) New Jersey(US) Connecticut(US) Israel Israel Tanzania Tanzania Tanzania

Europe

Germany,Canada

Germany Germany

Germany Germany Germany Germany British Columbia(Cnda)Germany Germany Germany W USA Texas(US) France France France France

S Africa,Brazil Brazil Brazil,S Africa England England England England

China Russia Saratov(Russia)

W USA Wyoming(US) Kansas,S Dakota(US) Kansas(US) Europe

E USA Pennsylvania(US) Pennsylvania(US) Pennsylvania(US) Germany Germany Queensland(AU) Argentina Rio Negro(ARG)

Spitsbergen Spitsbergen W USA New Mexico(US) New Mexico(US) New Mexico,Wyoming(US) Wyoming(US) China Shanxi(China) Mexico Tamaulipas(Mxco) Russia Russia Madagascar Madagascar New Zealand New Zealand New Zealand Germany,Switzerland,Italy,Poland,Israel,Netherlands Germany,Netherlands

Germany,Switzerland,Italy,Poland,Israel Italy

Italy,Switzerland Switzerland Germany

E USA N Carolina(US) New Jersey(US) E USA New Jersey(US)

Canary Islands,Bahamas,Cuba Bahamas,Cuba Argentina La Rioja(ARG) Australia,Tasmania Tasmania Wyoming(US) S Africa Mongolia Mongolia Mongolia

Mongolia China Manchuria(China) Argentina Argentina Argentina E Africa

Scotland Scotland Mongolia Mongolia Europe

England England

England

Mexico Tepexi de Rodriguez(Mxco) Canada Nova Scotia(Cnda) S Africa S Africa Germany Germany Germany W USA

California(US) Europe Canada Saskatchewan(Cnda) W USA W USA Nebraska(US) Madagascar Madagascar Thailand Thailand England England W USA Kansas(US) W USA Colorado(US) Colorado(US) W USA Kansas(US) Kansas(US) USA California(US)

Germany Moscow(Russia) England Moscow(Russia)

Germany Antigua(Lesser Antilles) Yucatan(Mxco)Barbuda

S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa S Africa W USA Wyoming(US) W USA Texas(US) Texas(US) Texas(US) Texas(US) Texas(US) W USA Texas(US) W USA Texas(US)

Germany Germany

W USA Oklahoma(US) Germany Germany

China Tibet(China) Russia

Vakhnevo(Russia)

Russia Okunevo(Russia) Switzerland,Italy Switzerland,Italy Brazil Brazil

India India Australia Russia

Mezen(Russia) Morocco Morocco W USA,Europe,China,Mongolia Nei Monggol(China)Mongolia California(US) Anhui(China) Belgium Wyoming(US) Henan(China) Wyoming,Utah(US) Belgium Wyoming,Utah(US) W USA Texas(US) W USA California(US) California(US) W USA Montana(US)

Germany Germany

Australia S Australia(AU) Australia

Europe

Italy Italy USA Texas(US) Texas(US) England Wyoming(US) England Great Britain England Italy Italy W USA Texas,Arizona(US) Arizona(US) Arizona(US)

USA,Canada Kansas(US) Kansas(US)

Wyoming(US) Manitoba(Cnda)

Morocco Morocco Europe Russia Donskaya(Russia) Cherepanka(Russia) Mechet(Russia) Russia Argentina,New Zealand Jaguel(ARG) New Zealand Argentina,Colombia,Brazil

Colombia Entre Rios(ARG)

Buenos Aires(ARG) Colombia,Brazil Bolivia China Xinjiang(China) Shanxi(China) Antarctica Antarctica USA,New Zealand Kansas(US) Kansas,New Mexico(US) New Zealand Kansas(US)Sweden New Jersey(US) Kansas(US) Kansas(US)

Alabama(US) Texas,Colorado,Kansas,Alabama(US) Orenburg(Russia) Kansas(US) New Jersey(US) Alabama,Texas?(US)

W USA Arizona,New Mexico,Utah(US) New Mexico,Arizona(US) Texas(US) New Mexico(US) USA Virginia,Arizona(US) Russia Ul'yanovsk(Russia) Moscow(Russia)

Moscow(Russia) Russia Karagachka(Russia) France,Crete France Crete N America W USA Arizona(US) New Mexico(US) W USA California,Arizona,Nevada,New Mexico(US) British Columbia(Cnda)Japan Japan

Italy Italy

W USA Oklahoma(US) W USA Texas(US) W USA Texas(US) Texas(US) Texas(US) Europe,Africa,Asia,Australia

Java

Billa Surga(India) France,Spain

Australia Queensland(AU) Germany Flores Island(Lesser Sunda Islands)

France Greece,Hungary,Turkey,Italy

Togo,USA?

Kenya India France,Kazakhstan,Spain,Australia,India,Timor

Great Britain England Argentina Argentina Argentina Ischigualasto(ARG) Cuba Cuba Russia Lipov(Russia) China,Russia) Shaanxi(China) Xinjiang(China) Orenburg(Russia) Russia Donguz(Russia)

Russia Spasskoe(Russia) Russia Zheshart(Russia) China Shanxi(China) Canada British Columbia(Cnda) Germany Germany Scotland Scotland Switzerland Switzerland W USA Kansas(US) Texas(US) Texas(US) Australia Queensland(AU) S Australia(AU) W USA,Mexico California(US) California(US) Russia Russia E USA Virginia(US)

USA

Europe,W USA Germany Colorado(US) Wyoming(US) Wyoming(US) Wyoming(US) Wyoming(US) Colorado(US)

Wyoming(US) Colorado(US) New Mexico(US) Switzerland Wyoming(US) Germany China Nei Monggol(China) China Shanxi,Shaanxi(China) W USA Kansas(US) China Liaoning(China) Liaoning(China) Colombia Colombia Russia Ul'yanovsk(Russia) Moscow(Russia) Moscow(Russia) Ul'yanovsk(Russia)

China Tongchuan(China) S Africa S Africa

S Africa S Africa S Africa S Africa

S Africa S Africa China Xinjiang(China) China Lufeng(China) China Sichuan(China) Germany,USA Germany

Germany

USA Mexico La Boca(Mxco)

W USA New Mexico(US) N America