Thelodus 78 Rhincodon Manta 99 Squatina 70 Aetobatus 79 Cladoselache 59 Chlamydoselachus 92 Isurus 88 Sphyrna 95 Rhinobatos 70 Heterodontus 90 Belantsea Chimaera 73 97 Iniopteryx Falcatus 85 99 Chondrosteus Pseudoscaphirhynchus 82 Amia Hybodus 60 52 Gregorius 99 90 Entelognathus 84 Hoplosternum 95 Clarias 74 Ictalurus 98 Coccosteus 100 96 Mcnamaraspis Dunkleosteus 73 100 100 Romundina Dapedium 92 Bothriolepis 81 Cheirodus 83 Dicksonosteus <50 Lepidotes 100 Qilinyu 100 Robustichthys Menaspis 88 Lepisosteus Semionotus Reptile Family Tree - Peters 2019 1594+ taxa, 235 characters 58 Perleidus 98 Brachyacanthus <50 Notopterus Ischnacanthus 54 Osteoglossum 85 100 Mimipiscis Pholidophorus * red taxa have too few traits to include on this list, but were tested with small subsets Moythomasia 100 Pteronisculus 69 Coccocephalichthys 95 Cheirolepis <50 Saurichthys 68 74 100 Malacosteus 69 Thoracopterus Chauliodus 58 Engraulis 80 100 Lepidogalaxias 99 Trachinocephalus Megalops Chiasmodon <58 95 Thunnus 77 Strunius Polydactylus Onychodus 79 Heteronectes 67 95 51 80 Barameda 79 Psettodes 100 Gymnothorax Hippoglossus Eurypharynx 74 <50 Anarhichas 94 Allenypterus Xiphactinus 88 92 Quebecius 54 Coryphaena 88 Holoptychius Remora 98 Miguashia 98 Latimeria 59 Sphyraena Esox 94 84 Stensioella 81 Kenichthys 81 Serrasalmus 84 Youngolepis 94 Perca 98 Cyprinus 79 Guiyu 76 Psarolepis <50 <50 Prionotus 90 Powichthys <50 Dactylopterus 83 Polypterus 94 100 Erpetoichthys Aphanopus 68 85 Uranolophus 99 Exocoetus Dipnorhynchus Archosauromorpha 89 68 Tylosurus Howidipterus <50 Xiphias 100 Eldeceeon 1990.7.1 99 Diplovertebron Gogonasus 98 Gasterosteus Eldeceeon holotype 99 92 Romeriscus 97 Cabonnichthys <50 Regalecus 91 61 100 Plectocretacicus 62 100 Bystrowiella 99 Osteolepis Solenodonsaurus Eusthenopteron 70 Gnathonemus 95 85 88 Hippocampus 94 Westlothiana Tinirau Chroniosaurus PIN3585/124 Seriola rivoliana Casineria 100 100 Koilops <50 84 100 Chroniosaurus 98 52 Lampris Brouffia 100 Tiktaalik Chroniosuchus 99 Spathicephalus 78 Mola 93 77 Coelostegus <50 Balistes Paleothyris Panderichthys 91 Hylonomus 99 <50 Anableps 78 Dvinosaurus 66 Diodon Anthracodromeus 100 Trypanognathus Periophthalmus Protorothyris MCZ1532 99 Laidleria 95 <50 79 85 Protorothyris CM 8617 86 Isodectes 94 Seriola zonata 87 98 94 Acroplous 96 Dicrolene Protorothyris MCZ 2149 99 Batrachosuchus 74 Anguilla Vaughnictis Siderops 80 94 62 Antennarius 100 Gerrothorax Lophius 82 Plagiosuchus Electrophorus 85 62 92 Deltaherpeton 100 Gymnotus 66 Elliotsmithia Antarctanax Pholidogaster <50 Apsisaurus Cabarzia 100 88 91 Colosteus Aerosaurus Milosaurus Aytonerpeton 86 67 90 Varanops Greererpeton Varanodon 57 Ossinodus 85 Varanosaurus FMNH PR 1760 Megazostrodon Tinodon 83 91 Parmastega 84 Varanosaurus BSPHM 1901 XV20 100 MGUH-VP-8160 93 Sinodelphys Acanthostega Archaeothyris 100 89 99 Juramaia Shuotherium Ichthyostega Ophiacodon 75 82 70 Chaoyangodens Ausktribosphenos Proterogyrinus 82 Pantelosaurus 68 100 Eoherpeton Brasilitherium Amphitherium 91 97 Haptodus 97 95 Kuehneotherium 100 Neopteroplax Docodon 63 80 82 Secodontosaurus Lactodens Anthracosaurus 76 71 100 Dimetrodon 79 93 Cifelliodon Dryolestes 92 Baphetes 97 Sphenacodon 95 Tachyglossus Megalocephalus Ianthodon 88 Akidolestes 80 85 96 100 Pederpes Edaphosaurus Ornithorhynchus 99 95 Whatcheeria 82 Ianthasaurus 99 Ventastega Glaucosaurus Ukhaatherium 93 Patagosmilus Crassigyrinus Cutleria 94 Hadrocodium 87 88 Morganucodon 87 Sclerothorax NMK-S 118A Hipposaurus 72 Stenocybus Eomaia Volaticotherium Iberospondylus 80 85 62 <50 Agilodocodon 88 Peltobatrachus 97 IVPP V18117 77 Acristatherium 71 Kenyasaurus 59 Cronopio 65 Sclerocephalus smns90055 62 100 Laosuchus 82 Galechirus 96 Didelphis Nigerpeton Ambolestes 51 99 100 52 Suminia Saharastega 89 85 Glironia Venjukovia 55 95 Cochleosaurus 83 Marmosops 80 Eodicynodon Marmosa 78 Chenoprosopus 94 83 Asioryctes 100 79 Zatrachys Dicynodon 100 Asioryctes long rostrum 65 Eryops Biarmosuchus 78 <50 Perameles 98 87 Edops Titanophoneus Macrotis Archegosaurus 100 Procynosuchus 59 Dasycercus 65 Rhineceps 77 Myrmecobius 78 100 Thrinaxodon 84 74 Parotosuchus 75 Anebodon Prozostrodon Docofossor 72 Mastodonsaurus Sclerothorax HLD-V608 100 Dromiciops 97 69 83 Probainognathus Notoryctes Wantzosaurus 85 <50 84 Potorous 54 <50 Trematosaurus long rostrum 99 86 Chiniquodon Pseudocheirus 82 Neldasaurus Castorocauda Dasyuroides Trematosaurus 77 87 98 Haldanodon Metoposaurus 97 Paedotherium 96 Pseudotherium 100 Groeberia Trimerorhachis 71 Pachygenelus Vintana Dendrerpeton Therioherpeton Priacodon 85 Balbaroo 81 Heleosaurus 88 76 87 Perryella Mesenosaurus OMNH 73209 Sinoconodon Trioracodon 86 Phalanger 81 Brasilodon 81 92 Dactylopsia Tersomius 95 9 4 96 99 Mycterosaurus FMNH UC169 98 Haramiyavia 72 Petaurus 97 82 Dissorophus 81 Nikkasaurus Thylacoleo Cacops 89 Microdocodon 65 <50 Broiliellus Mesenosaurus PIN 3706/4 Oligokyphus 94 Mesenosaurus PIN 3717/1 88 100 Kayentatherium 97 Fedexia 94 87 <50 Phascolarctos Ecolsonia Mesenosaurus PIN 158/1 Tritylodon Vombatus 97 <50 98 Chaliminia 64 74 89 Tambachia 79 Niaftasuchus <50 Riograndia Pyrotherium 84 Acheloma 74 57 Platyhistrix <50 Diprotodon 100 Spinolestes Propalorchestes Anningia Jeholodens 81 100 Georgenthalia 88 96 <50 Palorchestes Micromelerpeton 89 Archaeovenator 76 Yanoconodon 96 Interatherium Doleserpeton 95 Orovenator 90 Maotherium 98 71 Asaphestera Gobiconodon 77 Hegetotherium 98 Apateon 83 Pyozia 80 100 92 Gerobatrachus Utaherpeton 52 Liaoconodon 84 Mesotherium 76 Tuditanus 100 Broomia Repenomamus robustus 98 Andrias 88 60 <50 100 Euygenium Necturus Llistrofus 89 Milleropsis BPI-720 Repenomamus giganticus Toxodon 80 Rana Batropetes 98 Erpetonyx <50 100 55 Procoptodon Karaurus 99 Rhynchonkos 54 100 Micraroter Monodelphis Nambaroo Celtedens 97 87 Ascendonanus MNC-TA0924 Chironectes 91 Euryodus primus 80 Proargyrolagus Dendrolagus Eudibamus Huerfanodon 67 97 100 Macropus <50 Kirktonecta Aphelosaurus 61 92 Vincelestes Scincosaurus 100 99 83 Conoryctes 77 92 Petrolacosaurus Pantylus 87 Araeoscelis 83 99 Schowalteria 69 Balanerpeton 91 Stegostretus Thylacosmilus 91 Caerorhachis 94 Spinoaequalis Batrachiderpeton Galesphyrus 99 Amphibamus 94 86 Dasyurus Platyrhinops 100 Keraterpeton 94 Youngina BPI 3859 Sinopa Cimolestes 82 Diceratosaurus 85 Acerosodontosaurus 74 77 80 100 <50 Diplocaulus 100 Sarcophilus Utegenia 2 78 72 85 Thadeosaurus Ernanodon Utegenia 1 Diploceraspis 100 Tangasaurus 98 Sauropleura Hovasaurus 66 Thylacinus 95 Ariekanerprton 83 99 Ptyonius 90 Claudiosaurus 89 Thylophorops Kotlassia 73 Adelosaurus not Amphicyon 91 Seymouria Acherontiscus 61 95 100 Rileymillerus 100 98 Atopodentatus Discosauriscus Sinosaurosphargis 75 Deltatheridium 75 69 76 98 Phlegethontia CGH129 100 Austraolhyaena 63 Makowskia 77 Largocephalosaurus 91 Phlegethontia AMNH6966 72 84 Oxyaena Seymouria.tadpole 92 Omphalosaurus Arctocyon 100 Lethiscus 98 Oestocephalus 100 54 Deltatherium Eusauropleura Anarosaurus Caluromys 100 Mayulestes 86 Tulerpeton <50 Microbrachis Diandongosaurus <50 80 Masrasector 86 77 80 Eucritta <50 Adelospondylus Palatodonta 53 Loxolophus Hyaenodon Borhyaena 86 Stegops Adelogyrinus 98 Pappochelys Vulpavus 82 Callistoe Gephyrostegeus bohemicus 96 Chinlestegophis Palacrodon Didelphodon 78 98 85 <50 Majiashanosaurus 97 Protictis Brachydectes 97 87 93 Lysorophus Paraplacodus 91 Nandinia 99 <50 Eocaecilia Pachypleurosaurus Placodus inexpectatus 99 Talpa 72 99 99 96 Dermophis 97 100 Qianxisaurus 83 Placodus gigas Prohesperocyon 91 99 Cartorhynchus 98 Henodus 97 Eupleres Reptilia 94 Sclerocormus 100 Placochelys 99 Cryptoprocta 99 Puijila 100 100 Keichousaurus Cyamodus 72 Neotherium Dianmeisaurus 93 Herpestes 84 100 Procyon 80 99 Ursus arctos 97 Dawazisaurus 71 Ursus maritimus Silvanerpeton Hanosaurus 95 Ailurus 60 100 88 76 Lariosaurus Ailuropoda 95 Gulo 98 Bobosaurus Mustela Arctodus Corosaurus 71 53 Cymatosaurus 87 Kerberos 100 Lepidosaurmorpha <50 87 Patriofelis 80 Sachicasaurus 90 Urumqia Nothosaurus Sarkastodon <50 57 Bruktererpeton Wangosaurus Machaeroides 63 97 82 100 Simosaurus 87 Thuringothyris MNG 7729 89 Paludidraco 100 Ectoganus 62 82 Thuringothyris MNG 10183 79 84 Hauffiosaurus 66 Stylinodon Amphicynodon 98 Anningsaura 81 93 Psittacotherium Acostasaurus Pistosaurus 75 Megistotherium Saurorictus 64 90 Thalassiodracon 93 99 99 75 Yunguisaurus Palaeosinopa 70 Cephalerpeton 91 Opisthodontosaurus <50 Rhomaleosaurus 98 Phoca 80 98 Odobenus Reiszorhinus 92 Vinialesaurus 75 Concordia KUVP 8702a 100 Tricleidus 95 Miacis 96 Concordia KUVP 96/95 59 <50 Plesiosaurus Hyopsodus 81 Romeria primus 61 Psilotrachelosaurus 51 Libonectes 75 Enaliarctos Romeria texana PIMUZ AIII 0192 97 Albertocnectes 99 Desmatophoca 74 69 77 Protocaptorhinus 96 SMF R 4710 50 Styxosaurus 74 Pithanotaria 66 Stereosternum Simolestes Zalophus Paracaptorhinus 96 99 86 76 99 Brazilosaurus holotype 96 Eocaptorhinus 79 Mesosaurus 72 81 Trinacromerum Speothos 99 Captorhinus YAGM V1401 85 Dolichorhynchops 82 97 Proteles Labidosaurus 95 Peloneustes Canis Serpianosaurus 98 Megacephalosaurus 98 93 87 Amphicyon major 94 Concavispina Brachauchenius 94 Hesperocyon 98 Palaechthon 84 100 Limnoscelis 83 Xinpusaurus kohi 92 Stenorhynchus Cynocephalus 78 Panthera 77 Xinpusaurus suni Pliosaurus kevani 80 Orobates 90 97 94 Zhangheotherium 83 Crocuta Feeserpeton <50 Thalattosaurus Kronosaurus Tseajaia Australothyris 99 Metachcheiromys 89 Amphicyon galushi 79 50 Wachtlerosaurus 98 81 Amphicyon idoneus 98 Tetraceratops Eocasea 87 Manis 73 100 79 Endennasaurus Delorhynchus 100 Chriacus 85 Clarazia 62 Milleretta RC14 Microleter