Period Epoch Age Started Ended Lasted Sample Formations Induan 251 249 2 Early Olenekian 249 245 4 Anisian 245 237 8 Middle Ladinian 237 228 9 51.4

Triassic Carnian 228 216.5 11.5 Ischigualasto, Santa Maria, Argana, Chinle, Dockum Group Late Norian 216.5 203.6 12.9 Chinle Rhaetian 203.6 199.6 4 Keuper? (Date uncertain) Hettangian 199.6 196.5 3.1 Lower Elliot, Lufeng? (Date uncertain) Sinemurian 196.5 189.6 6.9 Upper Elliot, Kayenta Early Pliensbachian 189.6 183 6.6 Kayenta Toarcian 183 175.6 7.4 Aalenian 175.6 171.6 4 Bajocian 171.6 167.7 3.9 54.1 Middle

Jurrasic Bathonian 167.7 164.7 3 Xiashaximiao Callovian 164.7 161.2 3.5 Xiashaximiao, Oxford Clay Oxfordian 161.2 155 6.2 Morrison (Canyon City), Shangshaximiao, Oxford Clay Late Kimmeridgian 155 150.8 4.2 Morrison (Como Bluff, Dry Mesa) Tithonian 150.8 145.5 5.3 Morrison (Cleveland-Lloyd), Tendaguru, Solnhofn Berriasian 145.5 140.2 5.3 Tendaguru Valangian 140.2 136.4 3.8 Yixian (Lujiatan) Hauterivian 136.4 130 6.4 Yixian (Lujiatan), Tiouraren Early Barremian 130 125 5 Wealden, Yixian (Jiufotang), Oshih, Cedar Mountain (Basal), Las Hoyas, Tiouraren Aptian 125 112 13 Yixian (Jiufotang), Oshih, Cedar Mountain (Middle), Cloverly, Echkar Albian 112 99.6 12.4 Cedar Mountain (Middle), Cedar Mountain (Mussentuchit), Cloverly, Echkar 80 Cenomanian 99.6 93.5 6.1 Cedar Mountain (Upper), Echkar, Rio Limay, Baharija

Cretaceous Turonian 93.5 89.3 4.2 Coniacian 89.3 85.8 3.5 Late Santonian 85.8 83.5 2.3 Baynshirenskaya Svita, Iren Dabashu Campanian 83.5 70.6 12.9 Djadokhta, Dinosaur Park, Judith River, Edmonton (Horseshoe Canyon), Barun Goyot, Fruitland, Maeverano, Two Medicine Maastrichtian 70.6 65.5 5.1 Edmonton (Scollard), Nemegt, Lance, Hell Creek, Lameta, Kirtland, Maeverano Formations Location Animals Argana Morocco Dicynodonts, metoposaurs, rauisuchians, parasuchians, and Azendohsaurus Baharija Egypt Paralititan, Aegyptosaurus, Bahariasaurus, Carcharodontosaurus, Spinosaurus, Megalosaurus, lizards, fishes, terrestrial crocodiles, birds, Quaesitosaurus, Velociraptor, Avimimus, Conchoraptor, Ingenia, Tylocephale, Barun Goyot Mongolia Bagaceratops, Breviceratops, Udanoceratops, Saichania, Tarchia Alectosaurus, Garudimimus, Archaeornithomimus, Enigmosaurus, Erlianosaurus, Erlikosaurus, Segnosaurus, Talarurus, Baynshirenskaya Svitu and Iren Dabashu Mongolia and China Bactrosaurus and Gilmoreosaurus nodosaurids (Gastonia) and iguanodonts (including Iguanodon ottingeri) and also contains 2 species of un-named Cedar Mountain (Basal) Utah sauropods, a small theropod (ornithiomimid?), and the dominant predator Utahraptor, as well as non-dinosaurian vertebrates such as fish, turtles and crocodiles Cedar Mountain (Middle) Utah very large nodosaurid, Tenontosaurus, Sauropelta, Pleurocoelus, Deinonychus and Acrocanthosaurus actinopterygians, elasmobranches, turtles and crocodiles as well as the dominant dinosaur Eohadrosaurus, a small Cedar Mountain (Upper) Utah iguanodont, hypsilophodontids, nodosaurids and small theropods, including Troodon, Ricardoestesia and dromaeosaurids

non-marine molluscs, clam-shrimps and insects, and the floodplain parts are dominated by amphibians such as Arizona and New Chinle metoposaurids and phytosaurs. More upland areas were inhabited by aetosaurs, cynodonts (Placerias), carnivorous Mexico archosaurs (Postosuchus) and crocodylomorphs, while dinosaurs include Revueltosaurus, Coelophysis and Chindesaurus

Montana and Cloverly Deinonychus, Tenontosaurus, Sauropelta and Microvenator Wyoming Centrosaurus, Corythosaurus, Gorgosaurus, Prosaurolophus and Struthiomimus, Gorgosaurus, Centrosaurus, Dinosaur Park Alberta Chasmosaurus and Styracosaurus Protoceratops, Pinacosaurus and Velociraptor and other ankylosaurs, ceratopians and theropods. In addition, many Djadokhta Mongolia examples of turtles, crocodiles, lizards and mammals Arizona and New Dockum Group Chindesaurus, Technosaurus and Tecovasaurus Mexico Echkar Niger Rugops, Elpaphrosaurus, Ouranosaurus, Spinosaurus, iguanontid and a dubious diplodocid Saurornitholestes, Troodon, Chirostenotes, Dromiceiomimus, Ornithomimus, Struthiomimus, Albertosaurus, Edmonton (Horsehoe Canyon) Alberta Daspletosaurus, Aublysodon, Parksosaurus, Edmontosaurus, Hypacrosaurus, Saurolophus, Stegoceras, Edmontonia, Panoplosaurus, Anodontosaurus, Euoplocephalus, Anchiceratops, Arrhinoceratops and Pachyrhinosaurus Troodon, Struthiomimus, Paronychodon, Tyrannosaurus, Hypsilophodon, Parksosaurus, Thescelosaurus, Stegoceras, Edmonton (Scollard) Alberta Leptoceratops, Monoclonius, Triceratops and Ankylosaurus Parasaurolophus, Pentaceratops, indeterminate troodontids, dromaeosaurs, titanosaurids, hadrosaurids, nodosaurids, Fruitland New Mexico ankylosaurids, pachycephalosaurians, ceratopians and possibly species of Albertosaurus, Thescelosaurus and Corythosaurus 5 sp of sharks, 15 bony fish, 8 frogs and salamanders, 10 multituberculate mammals, 6 placental mammals, 11 marsupial mammals, 17 turtles, 10 lizards, 1 champsosaur, 5 crocodilians, 10 ornithischians and 9 saurischians, not including birds). Hell Creek Montana The dinosaur fauna contains numerous remains of theropods, ornithopods, pachycephalosaurians, ankylosaurs and ceratopians, and includes such well known examples as Triceratops and Tyrannosaurus Ischigualasto Argentina Scaphonyx and the cynodont Exaeretodon. Herreresaurus. Eoraptor and Pisanosaurus Dromiceiomimus, Ornithomimus, Struthiomimus, Troodon, Dromaeosaurus, Saurornitholestes, Chirostenotes, Elmisaurus, Albertosaurus, Daspletosaurus, Aublysodon, Brachylophosaurus, Gryposaurus, Kritosaurus, Prosaurolophus, Judith River Alberta Corythosaurus, Lambeosaurus, Parasaurolophus, Thescelosaurus, Gravitholus, Ornatotholus, Pachycephalosaurus, Stegoceras, Panoplosaurus, Edmontonia, Euoplocephalus, Anchiceratops, Centrosaurus, Chasmosaurus, Monoclonius and Styracosaurus cynodonts, crocodylians, turtles, sphenodonts, squamates, pterosaurs and fish it has microfaunal remains of sharks, frogs, Kayenta Arizona protosuchids and early mammals, and a number of dinosaurs including Dilophosaurus, Syntarsus, Massospondylus, Scutellosaurus, Scelidosaurus and an indeterminate heterodontosaurid Formations Location Animals Keuper Germany Sellosaurus, Thecodontosaurus and Plateosaurus, Halticosaurus, Procompsognathus and Liliensternus. Alamosaurus, Kritosaurus, Edmontosaurus, Parasaurolophus, Torosaurus, Aublysodon, Struthiomimus?, Kirtland New Mexico Euoplocephalus?, Pentaceratops, Kritosaurus, Parasaurolophus, and indeterminate theropods and nodosaurids Lameta India Rajasaurus, Indosaurus, Indosuchus, Titanosaurus and Isisaurus Torosaurus, Tyrannosaurus, Edmontosaurus, Pachycephalosaurus, Ankylosaurus, Edmontonia, Thescelosaurus, Troodon, Lance South Dakota Dromaeosaurus, Ornithomimus and Triceratops Iberomesornis, Concornis and Eoalulavis, Pelecanimimus, theropod teeth and fragmentary sauropod and iguanodont Las Hoyas Spain bones Lower Elliott South Africa amphibians, therapsids, Basutodon, Euskelosaurus, Blikanasaurus and Melanorosaurus, and the theropod Alwalia tritylodonts, mammals (Morganucodon and Sinoconodon), Lufengosaurus, Yunnanosaurus, Dilophosaurus, Lukousaurus, Lufeng China Sinosaurus, Dianchungosaurus and Tatisaurus. turtles, bony fish, frogs, snakes, lizards, crocodyliforms, birds (Rahonavis, Vorona), mammals, and dinosaurs Maeverano Madagascar (Majungatholus, Majungasaurus, Titanosaurus Morrison (Canon City) Western US Nanosaurus, Stegosaurus Allosaurus, Ceratosaurus, Stokesosaurus, Marshosaurus, Camarasaurus, unidentified sauropods , Camptosaurus, Morrison (Cleveland-Lloyd) Western US Stegosaurus and a possible ankylosaur Apatosaurus, Diplodocus, Camarasaurus, Pleurocoelus and Barosaurus, Stegosaurus, Camptosaurus, Laosaurus, Morrison (Como Bluff) Western US Othnielia, Drinker, Dryosaurus, Allosaurus, Ceratosaurus, Ornitholestes and Coelurus Camarasaurus, Diplodocus, Apatosaurus, Stegosaurus, Ceratosaurus, Marshosaurus, Stokesosaurus, Torvosaurus, Morrison (Dry Mesa) Western US Dystylosaurus, Supersaurus, Brachiosaurus and a nodosaurid Adasaurus, Gallimimus, Alioramus, Maleevus, Anserimimus, Oviraptor, Avimimus, Saurornithoides, Bagaraatan, Nemegt Mongolia Tarbosaurus, Borogovia, Therizinosaurus, Elmisaurus, Nemegtosaurus, Opisthocoelicaudia, Saurolophus, Barsboldia, Homalocephale, Prenocephale and Tarchia Oshih Mongolia Harpymimus, Shamosaurus, Altirhinus and ?Iguanodon, and Psittacosaurus ammonites, cephalopods, bivalves, gastropods, marine reptiles (especially ichthyosaurs), Lexovisaurus, Cetiosaurus, Oxford Clay England Lexovisaurus, Cetiosauriscus, Camptosaurus, Lexovisaurus, Sarcolestes, Eustreptospondylus, Omosaurus and an indeterminate hypsilophodontid Rio Limay Neuquen Giganotosaurus, Buitreraptor, Andesaurus, Rebbahisaurus, ?Argentinasaurus, Ekrixinatosaurus, Ilokelesia Santa Maria Rio Grande do Sul Staurikosaurus Yangchuanosaurus, Szechuanosaurus, Omeisaurus, Mamenchisaurus, Tuojiangosaurus, Chungkingosaurus, and Shangshaximiao Sichuan Chialingosaurus, Guanlong Solnhohn Germany Lizards, pterosaurs, Archeopteryx and Compsognathus crocodiles, bony fish, sharks, pterosaurs, a mammal and several dinosaurs (Kentrosaurus, Elaphrosaurus, Dicraeosaurus, Tendaguru Tanzania Dryosaurus, Brachiosaurus, Barosaurus, Tornieria and Janenschia) Tiouraren Niger Afrovenator, Spinostropheus Two Medicine Montana and Alberta clams, snails, turtles, champsosaurs, Maiasaura, Orodromeus, Troodon and other indeterminate dinosaurs Upper Elliot South Africa Coelophysis, Massospondylus, Lesothosaurus, Heterodontosaurus, Lycorhinus, and Abrictosaurus Megalosaurus, Neovenator, Becklespinax, Baryonyx, Cetiosaurus, Pelorosaurus, Ornithopsis, Eucamerotus, Pleurocoelus, England, Belgium, Wealden Hypsilophodon, Valdosaurus, Yaverlandia, Regnosaurus, Hylaeosaurus, Polacanthus, Eotyrranus and 3 species of Germany Iguanodon Xuanhanosaurus, Gasosaurus, Kaijiangosaurus, Shunosaurus, Datousaurus, Omeisaurus, Yandusaurus, Agilisaurus, and Xiashaximiao Formation Sichuan Huayangosaurus. Huaxiagnathus, Sinosauropteryx, Protarchaeopteryx, Shenzhouraptor, Cryptoraptor, Microraptor, Sinornithosaurus, Yixian (Jiufotang) Liaoning Caudipterx, Beipiaosaurus, Liaoningosaurus, Psittacosaurus (bristly) and Hongshanosaurus Yixian (Lujiatun) Liaoning Dilong, Yixianosaurus, Mei, Sinovenator, Sinusonasus, Graciliraptor, Jeholosaurus, Hongshanosaurus, and Liaoceratops