Choanzoa

Animalia

Eumetaoza

Parahoxozoa

Bilateria

Nephrozoa

Deuterostromia

Chordata

Ofractores

Vertabrata

Gnathostomata

Ostielicthyes

Sarcoterygii

Tetrapoda

Reptiliomorpha

Amniota

Synapsidia

Eupelycosauria

Metopophora

Haptodontiformes

Sphenacodontia

Sphenacodontoidea

Therapsida

Eutheriodontia

Cynodontia

Eucynodontia

Probainognathia

Prozostrodontia

Mammalimorpha

Mammaliformes

Mammalia

Theria

Eutheria

Placentillia

Boreoeutheria

Laurasiatheria

Scrotifera

Ferungulata

Ferae

Ungulata

Atlantogenata

Aftotheria

Xenarthra

Therocephalia

Gorgonopsia

"Rugorgonopsia"

Inostrancevia

Suchogorgon

"Afrogorgonopsia"

Rubidgeinae

Rubidgeini

Rubidgea

Dinogorgon

Sycosaurus

Gorgonops

Lycaenops

Arctops

Cyonosaurus

Anomodontia

Chainosauria

Dicynodontia

Therochelonia

Bidentalia

Dicynodontoidea

Kannemeyeriiformes

Stahleckeriidae

Stahleckeriinae

Ischigualastia

Stahleckeria

Jachaleria

Placeriinae

Lisowicia

Pentasaurus

Placerias

Sungeodon

Woznikella

Kannemeyeriidae

Uralokannemeyeria

Kannemeyeria

Shaanbeikannemeyeria

Rhadiodromus

Xiyukannemeyeria

Parakannemeyeria

Sinokannemeyeria

Dinodontosaurus

Shansiodontidae

Shansiodon

Tetragonias

Lystrosauridae

Lystrosaurus

Dicynodon

Vivaxosaurus

Rhachiocephalidae

Rhachiocephalus


Kitchinganomodon

Oudenodontidae

Oudenodon

Australobarbarus

Geikiidae

Geikia

Pelanomodon

Bulbasaurus

Elphidae

Elph

Katumbia

Syops

Rastodon

Emydopoidea

Cistecephalidae

Kawingasaurus

Cistecephalus

Cistecephaloides

Kingoriidae

Dicynodontoides

Thliptosaurus

Myosauridae

Myosaurus

Emydopidae

Emydops

Compsodon

Digalodon

Endothiodontia

Endothiodon

Pylaecephalidae

Diictodon

Eosimops

Eodicynodon

Galepus

Venyukovioidea

Otsheria

Suminia

Anomocephaloidea

Anomocephalus

Tiarajudens

Biseridens

Dinocephalia

Tapinocephalia

Tapinocephalidae

Tapinocephalinae

Moschops

Tapinocephalus

Struthiocephalus

Mormosaurus

Titanosuchidae

Jonkeria

Titanosuchus

Estemmenosuchidae

Estemmenosuchus

Deuterosaurus

Anteosauria

Anteosauridae

Syodontidae

Syodon

Pampaphoneus

Anteosaurinae

Anteosaurus

Titanophoneus

Sinophoneus

Archaeosyodon

Phereatosuchidae

Phreatosuchus

Rhopalodontidae

Rhopalodon

Microurania

Phthinosuchus

Biarmosuchia

Burnetiamorpha

Burnertiidae

Pachydectes

Burnetia

Lophorhinus

Lobalopex

Hipposauridae

Hipposaurus

Eotitanosuchidae

Eotitanosuchus

Ivantosaurus

Biarmosuchidae

Biarmosuchus

Nikkasauridae

Nikkasaurus

Herpetoskylax

Ictidorhinus

Lycaenodon

Sphenacodontidae

Dimetrodon

Secodontosaurus

Sphenacodon

Ctenorhachis

Shashajaia

Palaeohatteriidae

Palaeohatteria

Pantelosaurus

Cutleria

Edaphosauridae

Edaphosaurus

Ianthasaurus

Lupeosaurus

Milosaurus

Ophiacodontidae

Ophiacodon

Sterophallodon

Varanosaurus

Varanopidae

Varanodontinae

Varanops

Varanodon

Watongia

Mesenosaurinae

Mesenosaurus

Microvaranops

Thrausmosaurus

Pyozia

Caseasauria

Caseidae

Ennatosaurus

Cotylorhynchus

Angelosaurus

Casea

Eothyrididae

Odealeops

Eothyris

Eunotosaurus

Sauropsida

Diapsidia

Neodiapsidia

Sauria

Archelosauria

Archosauromorpha

Crocopoda

Archosauriformes

Eucrocopoda

Curotarsi

Archosauria

Avemetatarsalia

Ornithodira

Dinosauromorpha

Dinosauria

Saurichia

Eusaurichia

Therapoda

Neotheropoda

Averostra

Tetanurae

Orionides

Avetheropoda

Coelurosauria

Tyrannoraptora

Maniraptoromorpha

Neocoelurosauria

Maniraptoriformes

Maniraptora

Pennraptora

Paraves

Avilae

Pygostylia

Ornithothoraces

Euornithes

Gargantuavis

Enantiornithes

Avisauridae

Avisaurinae

Avisaurini

Avisaurus

Avisaurus archibaldi

Soroavisaurus

Soroavisaurus australis

Mirarce

Mirarce eatoni

Neuquenornis

Neuquenornis volans

Mystiornis

Mystiornis cyrlli

Gobipterygidae

Gobipteryx

Gobipteryx minuta

Bohaiornithidae

Sulcavis

Sulcavis geeorum

Bohairornis

Bohairornis goui

Longipterygidae

Longipteryx

Longipteryx chaoyangensis

Longirostravis

Longirostravis hani

Pengornithidae

Chiappeavis

Chiappeavis magnapremaxillo

Pengornis

Pengornis houi

Iberomesornithidae

Iberomesornis

Iberomesornis romerali

Alexornithiformes

Alexornithidae

Alexornis

Alexornis antecedens

Brevirostruavis

Brevirostruavis macrohyoideus

Falcatakely

Falcatakely forsterae

Eoalulavis

Eoalulavis hoyasi

Yuornis

Yuornis junchangi

Confuciusornithidae

Confuciusornis

Confuciusornis sanctus

Confuciusornis dui

Confuciusornis feducciai

Confuciusornis jianchangensis

Confuciusornis shifan

Jinguofortisidae

Cratonavis

Cratonavis zhul

Omnivoropterygidae

Sapeornis

Sapeornis chaoyangensis

Jeholornithiformes

Jeholornis

Jeholornis prima

Balaur

Balaur bondoc

Troodontidae

Troodontinae

Stenonychosaurus

Stenonychosaurus inequalis

Byronosaurus

Byronosaurus jaffei

Penictodon

Penictodon bakkeri

Troodon

Troodon formosus???

Sinovenatoridae

Mei

Mei long

Jinfengopterygidae

Almas

Almas ukhaa

Hesperornithoides

Hesperornithoides miessleri

Dromaeosauridae

Eudromaeosauria

Velociraptorinae

Velociraptor

Velociraptor mongoliensis

Acheroraptor

Acheroraptor temertyorum

Dromaeosarinae

Deinonychus

Deinonychus antirrhopus

Utahraptor

Utahraptor ostrommaysi

Saurornitholestinae

Atrociraptor

Atrociraptor marshalli

Microraptoria

Changyuraptor

Changyuraptor yangi

Microraptor

Microraptor gui

Microraptor zhaoianus

Microraptor hanqingi

Unenlagiinae

Austroraptor

Austroraptor cabazai

Halszkaraptorinae

Halskaraptor

Halszkaraptor escuillei

Zhenyuanlong

Zhenyuanlong suni

Archaeopterygidae

Archaeopteryx

Archaeopteryx lithographica

Anchiornithidae

Anchiornis

Anchiornis huxleyi

Scansoriopterygidae

Yi

Yi qi

Rahonavis

Rahonavis ostromi

Imperobator

Imperobator antarcticus

Oviraptorosauria

Caegnathoidea

Oviraptoridae

Heyuanninae

Conchoraptor

Conchoraptor gracilis

Oviraptorinae

Citipati

Citipati osmolskae

Oviraptor

Oviraptor philoceratops

Corythoraptor

Corythoraptor jacobsi

Caegnathidae

Caegnathinae

Anzu

Anzu wyliei

Elmisaurinae

Elmisaurus

Elmisaurus rarus

Citipes

Citipes elegans

Gigantoraptor

Gigantoraptor erlianensis

Caudipteridae

Caudipteryx

Caudipteryx zoui

Cautdipteryx dongi

Avimimus

Avimimus portentosus

Avimimus nemegtensis

Incisivosaurus

Incisivosaurus gauthieri

Therizinosauria

Therizinosauroidea

Therizinosauridae

Nothronychus

Nothronychus graffami

Nothronychus mckinleyi

Therizinosaurus

Therizinosaurus cheloniformis

Beipiaosaurus

Beipiaosaurus inexpectus

Falicarius

Falcarius utahensis

Alvarezsauroidea

Alvarezsauridae

Parvicursorinae

Mononykini

Mononykus

Mononykus olecranus

Ceratonykini

Ceratonykus

Ceratonykus oculatus

Kol

Kol ghuva

Bonapartenykus

Bonapartenykus ultimus

Patagonykus

Patagonykus puertai

Ornithomimosauria

Macrocheriformes

Ornithomimidae

Ornithomimus

Ornithomimus velox

Ornithomimus edmontonicus

Struthiomimus

Struthiomimus altus

Gallimimus

Gallimimus bullatus

Deinocheridae

Deinocherius

Deinocherius mirificus

Paraxenisaurus

Paraxenisaurus normalensis

Pelicanimimus

Pelicanimimus polyodon

Arkansaurus

Arkansaurus fridayi

Compsognathidae

Sinosauropteryx

Sinosauropteryx prima

Compsognathus

Compsognathus longipes

Tyrannosauroidea

Pantyrannosauria

Eutyrannosauria

Tyrannosauridae

Tyrannosaurinae

Tyrannosaurini

Tyrannosaurus

Tyrannosaurus rex

Tyrannosaurus mcraeensis

Tarbosaurus

Tarbosaurus baatar

Teratophoneini

Lythronax

Lythronax argestes

Teratophoneus

Teratophoneus curriei

Daspletosaurini

Daspletosaurus

Daspletosaurus torosus

Daspletosaurus horneri

Alioramini

Alioramus

Alioramus remotus

Alioramus altai

Qianzhousaurus

Qianzhousaurus sinensis

Nanuqsaurus

Nanuqsaurus hoglundi

Albertosaurinae

Albertosaurus

Albertosaurus sarcophagus

Gorgosaurus

Gorgosaurus libratus

Dryptosaurus

Dryptosaurus aquilunguis

Dilong

Dilong paradoxus

Proceratosauridae

Sinotyranninae

Yutyrannus

Yutyrannus huali

Guanlong

Guanlong wucaii

Megaraptora

Megaraptoridae

Maip

Maip macrothorax

Australovenator

Australovenator wintonensis

Deltadromeus

Deltadromeus agilis

Coeluridae

Tanycolagreus

Tanycolagreus topwilsoni

Carnosauria

Allosauroidea

Allosauria

Carcharodontosauria

Carcharodontosauridae

Carcharodontosaurinae

Giganotosaurini

Giganotosaurus

Giganotosaurus carolinii

Carcharodontosaurus

Carcharodontosaurus saharicus

Acrocanthosaurus

Acrocanthosaurus atokensis

Concavenator

Concavenator corcovatus

Siats

Siats meekerorum

Allosauridae

Allosaurus

Allosaurus fragilis

Allosaurus europaeus

Allosaurus jimmadseni

Saurophaganax

Saurophaganax maximus

Metriacanthosauridae

Metriacanthosaurinae

Sinraptor

Sinraptor dongi

Yangchuanosaurus

Yangchuanosaurus shangyouensis

Yangchuanosaurus zigongensis

Monolophosaurus

Monolophosaurus jiangi

Megalosauroidea

Megalosauria

Spinosauridae

Spinosaurinae

Spinosaurini

Spinosaurus

Spinosaurus aegyptiacus

Spinosaurus aegyptiacus

Irritator

Irritator challengeri

Irritator challengeri

Icthyovenator

Icthyovenator laosensis

Icthyovenator laosensis

Baryonychinae

Ceratosuchopsini

Suchomimus

Suchomimus tenerensis

Suchomimus tenerensis

Ceratosuchops

Ceratosuchops inferodios

Ceratosuchops inferodios

Riparovenator

Riparovenator milnerae

Riparovenator milnerae

Baryonyx

Baryonyx walkeri

Baryonyx walkeri

Iberospinus

Iberospinus natarioi

Iberospinus natarioi

Megalosauridae

Afrovenatorinae

Afrovenator

Afrovenator abakensis

Megalosaurinae

Torvosaurus

Torvosaurus tanneri

Trovosaurus gurneyi

Megalosaurus

Megalosaurus bucklandii

Eustreptospondylinae

Eustreptospondylus

Eustreptospondylus oxoniensis

Piatnitzkysauridae

Marshosaurus

Marshosaurus bicentesimus

Ceratosauria

Abelisauroidea

Abelisauridae

Carnotaurinae

Brachyrostra

Furileusauria

Carnotaurus

Carnotaurus sastrei

Skorpiovenator

Skorpiovenator bustingorryi

Majungasaurinae

Majungasaurus

Majungasaurus crenatissimus

Rajasaurus

Rajasaurus narmadensis

Rugops

Rugops primus

Noasauridae

Noasaurinae

Masiakasaurus

Masiakasaurus knopfleri

Elaphrosaurinae

Limusaurus

Limusaurus inextricabillis

Elaphrosaurus

Elaphrosaurus bambergi

Ceratosauridae

Ceratosaurus

Ceratosaurus nasicornis

Cryolophosaurus

Cryolophosaurus ellioti

Dilophosauridae

r

only here so it fits

Dilophosaurus

Dilophosaurus wetherilli

Ceolophysoidea

Coelophysidae

Coelophysis

Coelophysis bauri

Coelophysis kayentakatae?

Lilliensternus

Liliensternus liliensterni

Sauropodomorpha

Bagualosauria

Plateosauria

Massopoda

Sauripodiformes

Anchisauria

Sauropoda

Gravisauria

Eusauropoda

Neosauropoda

Macronaria

Titanosauriformes

Somphospondyli

Titanosauria

Eutitanosauria

Saltasauroidea

Saltasauridae

Saltasaurinae

Igai

Igai semkhu

Igai semkhu

Neuquenosaurus

Neuquenosaurus australis

Saltasaurus

Saltasaurus loricatus

Opisthocoelicaudiinae

Alamosaurus

Alamosaurus sanjuanensis

Dreadnoughtus

Dreadnoughtus schrani

Nemegtosauridae

Nemegtosaurus

Nemegtosaurus mongoliensis

Colossosauria

Lognkosauria

Argentinosaurs

Argentinosaurus huinculensis

Rinconsauria

Aelosaurini

Aelosaurus

Aelosaurus rionegrinus

Rinconsaurus

Rinconsaurus caudamirus

Lirainosaurinae

Ampelosaurus

Ampelosaurus atacis

Diamantinasauria

Diamantinasaurus

Diamantinasaurus matildae

Savannasaurus

Savannasaurus elliottorum

Magyarosaurus

Magyarosaurus dacus

Euhelopodidae

Ruixinia

Ruixinia zhangi

Dongbeititan

Dongbeititan dongi

Brachiosauridae

Brachiosaurus

Brachiosaurus altithorax

Giraffatitan

Giraffatitan brancai

Camarasauridae

Camarasaurus

Camarasaurus supremus

Camarasaurus grandis

Camarasaurus lentus

Europasaurus

Europasaurus holgeri

Diplodocoidea

Diplodocimorpha

Flagellicaudata

Diplodocidae

Diplodocinae

Diplodocus

Diplodocus carnegii

Diplodocus longus

Diplodocus hallorum

Apatosaurinae

Apatosaurus

Apatosaurus ajax

Apatosaurus louisae

Brontosaurus

Brontosaurus excelus

Brontosaurus pravus

Brontosaurus yahnahpin

Dicraesauridae

Bajadasaurus

Bajadasaurus pronuspinax

Amargasaurus

Amargasaurus cazaui

Brachytracelopan

Brachytracelopan mesai

Dicraeosaurus

Dicraeosaurus hansemanni

Dicraeosaurus sattleri

Suuwassea

Suuwassea emilieae

Rebbachisauridae

Khebbashia

Limaysaurinae

Limaysaurus

Limaysaurus tessonei

Rebbachisaurinae

Rebbachisaurus

Rebbachisaurus garasbae

Nigersaurus

Nigersaurus taqueti

Haplocanthosaurus

Haplocanthosaurus priscus

Turiasauria

Zby

Zby atlanticus

Mamenchisauridae

Mamenchisaurus hochuanensis

Xinjiangtitan

Xinjiangtitan shanshanesis

Mamenchisaurus sinocanadorum

Mamenchisaurus youngi

Mamenchisaurus constructus

Ceitosauridae

Ceitosaurus

Ceitosaurus oxoniensis

Shunosaurus

Shunosaurus lii

Shunosaurus jiangyiensis

Vulcanodontidae

Vulcanodon

Vulcanodon karibaenensis

Lessemsauridae

Ledumahadi

Ledumahadi mafube

Mussasaurus

Mussasaurus patagonicus

Massospondylidae

Massospondylus

Massospondylus carinatus

Massospondylus kaalae

Riojasauridae

Riojasaurus

Riojasaurus incertus

Plateosauridae

Plateosaurus

Plateoaurus trossigensis

Plateosaurus gracilis

Issi

Issi saaneq

Unaysauridae

Unaysaurus

Unaysaurus tolentinoi

Saturnallidae

Chromogisaurus

Chromogisaurus novasi

Eoraptor

Eoraptor lunensis

Herrerasauria

Herrerasauridae

Herrerasaurus

Herrerasaurus ischigualastensis

Tawa

Tawa hallae

Ornithischia

Saphornithischia

Genesauria

Neornithschia

Pyrodontia

Cerapoda

Ornithopoda

Iguanodontia

Dryomorpha

Ankylopollexia

Styracosterna

Hadrosauriformes

Hadrosauroidea

Hadrosauromorpha

Hadrosauridae

Lambeosaurinae

Corythosauria

Parasaurolophini

Parasaurolophus

Parasaurolophus walkeri

Parasaurolophus walkeri

Parasaurolophus tubicen

"Charonosaurus" jiayiensis

"Charonosaurus" jiayiensis

Parasaurolophus cyrtocristatus

Angulomastacator

Angulomastacator daviesi

Angulomastacator daviesi

Adelolophus

Adelolophus hutchinsoni

Adelolophus hutchinsoni

Lambeosaurini

Hypacrosaurus

Hypacrosaurus altispinus

Hypacrosaurus altispinus

Hypacrosaurus stebingeri

"Magnapaulia" laticaudus

Corythosaurus

Corythosaurus casaurius

Corythosaurus casaurius

Corythosaurus intermdeius

Lambeosaurus

Lambeosaurus lambei

Lambeosaurus lambei

Lambeosaurus magnicristatus

Olorotitan

Olorotitan arharensis

Olorotitan arharensis

Tisntaosaurini

Tsintaosaurus

Tsintaosaurus spinorhinus

Tsintaosaurus spinorhinus

Arenysaurini

Ajnabia

Ajnabia odysseus

Ajnabia odysseus

Aralosaurini

Aralosaurus

Aralosaurus tuberiferus

Aralosaurus tuberiferus

Nipponosaurus

Nipponosaurus sachalinensis

Nipponosaurus sachalinensis

Saurolophinae

Saurolophini

Saurolophus

Saurolophus osborni

Saurolophus osborni

Saurolophus angustirostris

Kritosaurini

Gryposaurus

Gryposaurus notabilis

Gryposaurus notabilis

Gryposaurus latidens

Gryposaurus monumentensis

Edmontosaurini

Edmontosaurus

Edmontosaurus regalis

Edmontosaurus regalis

Edmontosaurus annectens

"Ugrunaaluk" kuukipensis

Shantungosaurus

Shantungosaurus giganteus

Shantungosaurus giganteus

Brachylophosaurini

Maiasaura

Maiasaura peeblesorum

Maiasaura peeblesorum

Austrokritosauria

Bonapartesaurus

Bonapartesaurus rionegrensis

Bonapartesaurus rionegrensis

Secernosaurus

Secernosaurus koerneri

Secernosaurus koerneri

Barsboldia

Barsboldia sicinskii

Barsboldia sicinskii

Aquilarhinus

Aquilarhinus palimentus

Tethyshadros

Tethyshadros insularis

Plesiohadros

Plesiohadros djadokhtaensis

Altirhinus

Altirhinus kurzanovi

Iguanodontidae

Iguanodon

Iguanodon bernissartensis

Ouranosaurus

Ouranosaurus nigeriensis

Lurdusaurus

Lurdusaurus arenatus

Camptosauridae

Camptosaurus

Camptosaurus dispar

Dryosauridae

Dryosaurus

Dryosaurus alltus

Euiguanodontia

Elasmaria

Muttaburrasaurus

Muttaburrasaurus langdoni

Leaellynasaurua

Leaellynasaura amicagraphica

Morrosaurus

Morrosaurus antarcticus

Rhabdodontomorpha

Rhabdodontoidea

Rhabdodontidae

Zalmoxes

Zalmoxes robustus

Zalmoxes shqiperorum

Tenontosauridae

Tenontosaurus

Tenontosaurus dossi

Tenontosaurus tilletti

Hypsilophodontidae

Hypsilophodon

Hypsilophodon foxii

Marginocephalia

Ceratopsia

Neoceratopsia

Euceratopsia

Coronosauria

Ceratopsoidea

Ceratopsidae

Chasmosaurinae

Triceratopsini

Triceratops

Triceratops prorsus

Triceratops horridus

Triceratops horridus

Torosaurus

Torosaurus latus

Sierraceratops

Sierraceratops turneri

Arrhinoceratops

Arrhinoceratops brachyops

"Regaliceratopsini"

Regaliceratops

Regaliceratops peterhewsi

Anchiceratops

Anchiceratops ornatus

Pentaceratops

Pentaceratops sternbergii

"Chasmosaurini"

Chasmosaurus

Chasmosaurus belli

Chasmosaurus russeli

Kosmoceratops

Kosmoceratops richardsoni

Centrosaurinae

Eucentrosaura

Pachyrhinosaurini

Pachyrostra

Pachyrhinosaurus

Pachyrhinosaurus canadensis

Pachyrhinosaurus lakustai

Pachyrhinosaurus perotorum

Achelousaurus

Achelousaurus horneri

Einiosaurus

Einiosaurus procurvicornis

Centrosaurini

Styracosaurus

Styracosaurus albertensis

Styracosaurus ovatus

Centrosaurus

Centrosaurus apertus

Sinoceratops

Sinoceratops zuchengensis

Albertaceratopsini

Albertaceratops

Albertaceratops nesmoi

Lokiceratops

Lokiceratops ragniformis

Lokiceratops ragniformis

Nasutoceratopsini

Nasutoceratops

Nasutoceratops titusi

Avaceratops

Avaceratops lammersi

Diabloceratops

Diabloceratops eatoni

Zuniceratops

Zuniceratops christopheri

Protoceratopsidae

Protoceratops

Protoceratops andrewsi

Protoceratops hellenikorhinus

Leptoceratopsidae

Unescoceratops

Unescoceratops koppelhusae

Udanoceratops

Udanoceratops tschizhovi

Leptoceratops

Leptoceratops gracilis

Montanoceratops

Montanoceratops cerorhynchus

Gracilliceratops

Gracilliceratops mongoliensis

Archaeoceratopsidae

Helioceratops

Helioceratops brachygnathus

Koreaceratops

Koreaceratops hwaseongensis

Chaoyangsauridae

Yinlong

Yinlong downsi

Psittacosaurus

Psittacosaurus amitabha

Psittacosaurus gobiensis

Psittacosaurus sattayaraki

Psittacosaurus mongoliensis

Psittacosaurus meileyingensis

Psittacosaurus ordosensis

Psittacosaurus neimongoliensis

Psittacosaurus major

Psittacosaurus mazongshanensis

Psittacosaurus lujiatunensis

Psittacosaurus sibiricus

Psittacosaurus sinensis

Pachycephalosauria

Pachycephalosauridae

Pachycephalosaurinae

Sphaerotholus

Sphaerotholus lysoni

Sphaerotholus trirengum

Sphaerotholus edmontonensis

Sphaerotholus buchholtzae

Sphaerotholus goodwini

Pachycephalosaurini

Pachycephalosaurus

Pachycephalosaurus wyomingensis

Pachycephalosaurus spinifer

Prenocephale

Prenocephale prenes

Homalocephale

Homalocephale calathocercos

Goyocephale

Goyocephale lattimorei

Stegoceras

Stegoceras validum

Wannanosaurus

Wannanosaurus yansiensis

Thescelosauridae

Orodrominae

Zephyrosaurus

Zephyrosaurus schaffi

Thescelosaurinae

Thescelosaurus

Thescelosaurus neglectus

Thescelosaurus garbanii

Thescelosaurus assinboiensis

Jeholosaurus

Jeholosaurus shangyuanensis

Nanosaurus

Nanosaurus agilis

Thyreophora

Thyreophoroidea

Eurypoda

Ankylosauria

Euankylosauria

Ankylosauridae

Ankylosaurinae

Ankylosaurini

Zuul

Zuul crurivastator

Euoplocephalus

Euoplocephalus tutus

Anodontosaurus

Anodontosaurus lambei

Ankylosaurus

Ankylosaurus magniventris

Tarchia

Tarchia teresae

Tarchia kielanae

Tarchia tumanovae

Saichania

Saichania chulsanensis

Pinacosaurus

Pinacosaurus grangeri

Shamosaurinae

Shamosaurus

Shamosaurus scutatus

Liaoningosaurus

Lioningosaurus paradoxus

Cedarpelta

Cedarpelta bilbeyhallorum

Nodosauridae

Nodosaurinae

Struthiosaurini

Struthiosaurus

Struthiosaurus austriacus

Struthiosaurus transylvanicus

Struthiosaurus languedocensis

Hungarosaurus

Hungarosaurus tormai

Panoplosaurini

Edmontonia

Edmontonia longiceps

Edmontonia rugosidens

Animantarx

Animantarx ramaljonesi

Animantarx ramaljonesi

Sauropelta

Sauropelta edwardsorum

Borealopelta

Borealopelta markmitchelli

Polacanthinae

Polacanthus

Polacanthus foxii

Peloroplites

Peloroplites cedrimontanus

Gastonia

Gastonia burgei

Gastonia lorriemcwhinneyae

Hylaeosaurus

Hylaeosaurus armatus

Mymoorapelta

Mymoorapelta maysi

Mymoorapelta maysi

Parankylosauria

Antarctopelta

Antarctopelta oliveroi

Stegouros

Stegouros elengassen

Minmi

Minmi paravertabra

Stegosauria

Stegosauridae

Stegosaurinae

Wuerhosaurus

Wuerhosaurus homheni

Wuerhosaurus homheni

Stegosaurus

Stegosaurus stenops

Stegosaurus stenops

Stegosaurus ungulatus

Stegosaurus ungulatus

Hesperosaurus

Hesperosaurus mjosi

Hesperosaurus mjosi

Dacenturinae

Dacenturus

Dacenturus armatus

Dacenturus armatus

Miragaia longicollum (=Dacenturus armatus?)

Miragaia longicollum (=Dacenturus armatus?)

Alcovasaurus

Alcovasaurus longispinus

Alcovasaurus longispinus

Thyreosaurus

Thyreosaurus atlasicus

Thyreosaurus atlasicus

Kentrosaurus

Kentrosaurus aethiopicus

Kentrosaurus aethiopicus

Tuojiangosaurus

Tuojiangosaurus multispinus

Tuojiangosaurus multispinus

Jiangjunosaurus

Jiangjunosaurus junggarensis

Jiangjunosaurus junggarensis

Gigantspinosaurus

Gigantspinosaurus sichuanensis

Gigantspinosaurus sichuanensis

Huayangosauridae

Chungkingosaurus

Chungkingosaurus jiangbeiensis

Chungkingosaurus jiangbeiensis

Huayangosaurus

Huayangosaurus taibaii

Huayangosaurus taibaii

Scelidosaurus

Scelidosaurus harrisonii

Jakapil

Jakapil kaniukura

Scutelloaurus

Scutellosaurus lawleri

Lesothosaurus

Lesothosaurus diagnosticus

Heterodontosauridae

Heterodontosaurinae

Heterodontosaurus

Heterodontosaurus tucki

Pegomastax

Pegomastax africana

Tianyulong

Tianyulong confuciusi

Silesauridae

Sulcimentisauria

Silesaurus

Silesaurus opolensis

Lewisuchus

Lewisuchus admixtus

Marasuchus

Marasuchus lilloensis

Lagosuchus

Lagosuchus talampayensis

Pterosauromorpha

Pterosauria

Zambellisauria

Macronychoptera

Novialoidea

Breviquartossa

Digibrevisauria

Pterodactylomorpha

Monofenestrata

Pterodactyliformes

Caelidracones

Pteradactyloidea

Lophocratia

Eupterodactyloidea

Ornithocheroidea

Pteranodontoidea

Ornithochieromorpha

Lanceodontia

Ornithochieriformes

Ornithochierae

Anhangueria

Anhangueridae

Anhanguerinae

Anhanguera

Anhanguera blittersdorffi

Anhanguera araripensis

Anhanguera piscator

"Maaradactylus" spielbergi

Ludodactylus

Ludodactylus sibbicki

Coloborhynchinae

Coloborhynchus

Coloborhynchus clavirostris

Uktenadactylus

Uktenadactylus wadleighi

Uktenadactylus rodriguesae

Tropeognathinae

Tropeognathini

Tropeognathus

Tropeognathus mesembrinus

Siroccopteryx

Siroccopteryx moroccensis

Mythungini

Mythunga

Mythunga camara

Ferrodraco

Ferrodraco lentoni

Hamipteridae

Iberodactylus

Iberodactylus andreui

Ornithocheridae

Ornithocherinae

Ornithocherius

Ornithocherius simus

Caulkicephalus

Caulkicephalus trimicrodon

Targaryendraconia

Targaryendraconidae

Aussiedraco

Aussiedraco molnari

Cimoliopteridae

Cimoliopterus

Cimoliopterus cuvieri

Cimoliopterus dunni

Boreopteridae

Zhenyuanopterus

Zhenyuanopterus longirostris

Istiodactyliformes

Istiodactylidae

Istiodactylinae

Istiodactylus

Istiodactylus latidens

Istiodactylus sinensis

Nurhachius

Nurhachius ignaciobritoi

Nurhachius luei

Mimodactylidae

Mimodactylus

Mimodactylus libanensis

Haopterus

Haopterus gracilis

Lonchodraconidae

Ikrandraco

Ikrandraco avatar

Ikrandraco machaerorhynchus

Lonchodectidae

Lonchodectes

Lonchodectes compressirostris

Pteranodontia

Nyctosauromorpha

Aponyctosauria

Nyctosauridae

Nyctosaurus

Nyctosaurus gracilis

Nyctosaurus nanus

Nyctosaurus lamegoi

Barbaridactylus

Barbaridactylus grandis

Alcione

Alcione elainus

Alamodactylus

Alamodactylus byrdi

Pteranodontidae

Pteranodon

Pteranodon longiceps

"Geosternbergia" sternbergi

Tethydraco

Tethydraco regalis

Tapejaroidea

Azdharchoidea

Neoazhdarchoidea

Azhdarchomorpha

Neopteradactyloidea

Azhdarchiformes

Azhdarchidae

Quetzalcoaltinae

Quetzalcoatlini

Quetzalcoatlus

Quetzalcoatlus northropi

Quetzalcoatlus lawsoni

Thanatosdrakon

Thanatosdrakon amaru

Cryodrakon

Cryodrakon boreas

Arambourgianini

Arambourgiania

Arambourgiania philadelphiae

Hatzegopteryx

Hatzegopteryx thambema

Zhejiangopterus

Zhejiangopterus linhaiensis

Phosphatdraco

Phosphatodraco mauritanicus

Azhdarchinae

Aerotitan

Aerotitan sudamericanus

Azhdarco

Azhdarcho lancicollis

Navajodactylus

Navajodactylus boerei

Radiodactylus

Radiodactylus langstoni

Chaoyangopteridae

Chaoyangopterinae

Chaoyangopterus

Chaoyangopterus zhangi

Apatorhampus

Apatorhamphus gyrostega

Eoazhdarcho

Eoazhdarcho liaoxiensis

Alanqidae

Alanqa

Alanqa saharica

Xericeps

Xericeps curvirostris

Tapejaromorpha

Tapejaridae

Eutapejaria

Tapejarinae

Tapejarini

Tapejara

Tapejara wellnhoferi

Europejara

Europejara olcadesorum

Tupandactylus

Tupandactylus imperator

Tupandactylus navigans

Vectidraco

Vectidraco daisymorrisae

Sinopterinae

Sinopterus

Sinopterus dongi

Huxiadraco

Huaxiadraco corollatus

Caupedactylia

Caupedactylus

Caupedactylus ybaka

Thalassodrominae

Thalassodromeus

Thalassodromeus sethi

Tupuxuara

Tupuxuara longicristatus

Tupuxuara leonardii

Afrotapejara

Afrotapejara zouhri

Nemicolopterus

Argentinadraco

Dsungaripteridae

Dsungaripterinae

Dsungaripterus

Noripterus

Archaeopterodactyloidea

Euctenochasmatia

Ctenochasmoidea

Ctenochasmatidae

Ctenochasmatinae

Pterodaustrini

Pterodaustro

Ctenochasma

Gnathosaurinae

Gnathosaurus

Lusognathus

Moganopterinae

Moganopterus

Liaodactylus

Kepodactylus

Aurorazhdarchia

Aurorazhdarchidae

Aurorazhdarcho

Aerodactylus

Gallodactylidae

Cycnorhamphus

Pterodactylus

Germanodactylidae

Germanodactylus

Kryptodrakon

Anurognathidae

Anurognathinae

Anurognathus

Jeholopterus

Batrachognathinae

Batrachognathus

Sinomacrops

Mesadactylus

Douzhanopterus

Darwinoptera

Wukongopteridae

Wukongopterinae

Darwinopterus

Wukongopterus

Kupengopterus

Ceoptera

Scaphognathidae

Scaphognathus

Sordes

Rhamphorhynchidae

Rhamphorhynchinae

Rhamphorhynchae

Rhamphorhynchini

Rhamphorhynchus

Angustinaripterini

Dearc

Dorygnathus

Harpactognathus

Dolicorhamphus

Campylognathoididae

Campylognathoides

Dimorphodontidae

Dimorphodon

Petinosaurus

Eopterosauria

Eudimorphodontoidea

Eudimorphodontidae

Eudimorphodontinae

Eudimorphodon

Articodactylus

Raeticodactylidae

Raeticodactylus

Prenodactylia

Prenodactylus

Caviramidae

Austriadraconidae

Austriadraco

Caviramus

Daohugoupterus

Lagerpetidae

Dromomeron

Lagerpeton

Aphanosauria

Teleocrater

Pseudosuchia

Suchia

Paracrocodylomorpha

Loricata

Crocodylomorpha

Crocodyliformes

Mesoeucrocodylia

Metasuchia

Neosuchia

Eusuchia

Crocodylia

Alligatoroidea

Globldonta

Aligatoridae

Alligatorinae

Alligator

Caimaninae

Caiman

Melanosuchus

Purussaurus

Orientalosuchina

Eoalligator

Navajosuchus

Ceratosuchus

Deinosuchus

Deinosuchus hatcheri

Deinosuchus hatcheri

Deinosuchus rugosus

Deinosuchus riograndensis

Deinosuchus schwimmeri

Longirostes

Crocodyloidea

Crocodylidae

Crocodylinae

Crocodylus

Voay

Osteolaminae

Rimasuchus

Albertosuchus

Gavialoidea

Gavlalldae

Tomistominae

Tomistoma

Gavialosuchus

Gaviallinae

Gavialis

Gryposuchus

Kentisuchus

Mekosuchinae

Mekosuchus

Baru

Pristachampsidae

Planocraniidae

Boverisuchus

Thoracosauridae

Thoracosaurus

Aegyptosuchidae

Aegyptosuchidae

Allodaposuchidae

Allodaposuchus

Hylaeochampsidae

Hylaeochampsa

Borealosuchus

Paralligatoridae

Paralligator

Shamosuchus

Bernissartidae

Bernissartia

Goniopholididae

Calsoyasuchus

Siamosuchus

Goniopholis

Paluxysuchidae

Paluxysuchus

Deltasuchus

Stomatosuchidae

Stomatosuchus

Atoposauridae

Atoposauridae

Tethysuchia

Dyrosauridae

Phosphatosaurus

Dyrosaurus

Pholidosauridae

Sarcosuchus

Ziposuchia

Notosuchia

Xenodontosuchia

Sphagesauria

Sphagesauridae

Sphagesaurinae

Armadillosuchus

Capriasuchinae

Morrinhosuchus

Yacarerani

Notosuchidae

Notosuchus

Coringasuchus

Baurusuchia

Barusuchidae

Baurusuchinae

Baurusuchus

Pissarrachampsinae

Wargosuchus

Chimaerasuchus

Candidodontidae

Pakasuchus

Simosuchus

Sebecla

Peirosauridae

Peirosaurinae

Montealtosuchus

Pepesuchinae

Pepesuchus

Sebecidae

Iberosuchus

Barinasuchus

Mahajangasauchidae

Kaprosuchus

Mahajangasuchus

Shartegosuchoidea

Shartegosuchidae

Fruitachampsa

Titanochampsa

Gobiosuchidae

Gobiosuchus

Notochampsidae

Notochampsa

Protosuchidae

Hoplosuchus

Microchampsa

Thalattosuchia

Metriorhynchoidea

Metriorhynchidae

Metriorynchinae

Rhacheosaurini

Maledictosuchus

Metriorhynhus

Thalattosuchus

Geosaurinae

Geosaurini

Plesiosuchina

Plesiosuchus

Geosaurina

Geosaurus

Dakosaurus

Neptunidraco

Eoneustes

Teleosauroidea

Teleosauridae

Aeolodontidae

Bathysuchus

Teleosaurinae

Teleosaurus

Platysuchus

Mystirosaurus

Machimosauridae

Machimosaurinae

Machimosaurini

Machimosaurus

Lemmysuchus

Neosteneosaurus

Charitomenosuchus

Hallopodidae

Hallopus

Saltaposuchidae

Saltaposuchus

Carnufex

Rauisuchidae

Postosuchus

Fasolasuchus

Saurosuchus

Prestosuchus

Poposauroidea

Shuvosauridae

Sillosuchus

Poposauridae

Poposaurus

Ctenosaurischidae

Arizonasaurus

Lotosaurus

Gracillisuchidae

Gracillisuchus

Ateosauriformes

Aetosauria

Stagonolepldidae

Aetosaurinae

Typothoracinae

Paratypothoracinae

Paratypothorax

Typothorax

Aetosaurus

Desmatosuchia

Desmatosuchinae

Desmatosuchini

Desmatosuchus

Adamanasuchus

Stagonolepidinae

Stagonolepis

Aetosauroides

Erpetosuchidae

Erpetosuchus

Ornithosuchidae

Ornithosuchus

Phytosauria

Parasuchidae

Phytosauridae

Leptosuchomorpha

Mystriosuchini

Machaeroprosopus

Mystriosuchus

Leptosuchus

Smilosuchus

Rutiodon

Colossosuchus

Parasuchus

Ebrachosuchus

Heteropelta

Smok

Proterochampsia

Proterochampsidae

Rhadinosuchinae

Rhadinosuchus

Pseudochampsa

Proterochampsa

Dosweliidae

Doswellia

Sphodrosaurus

Euparkeriidae

Euparkeria

Vancleavea

Erthyosuchidae

Erthyosuchus

Protopknosia

Tripotcus

Kranosaura

Proterosuchidae

Proterosuchus

Archosaurus

Sarmatosuchus

Prolacertidae

Prolacerta

Rhynchosauria

Rhynchosauridae

Hyperodapedontinae

Hyperodapedon

Stenaulorhynchinae

Elorhynchus

Brasinorhynchus

Rhynchosaurus

Mesosuchus

Allokotosauria

Trilophosauridae

Teraterpeton

Trilophosaurus

Azendohsauridae

Malerisaurinae

Malerisaurus

Puercosuchus

Shringasaurus

Pamelaria

Tanysauria

Tanystrophidae

Tanystropheus

Luxisaurus

Sharovipterygidae

Sharovipteryx

Ozimek

Trachelosauridae

Dinocephalosaurus

Trachelosaurus

Protorosaurus

Pantestudines

Lepidosauromorpha

Lepidosauria

Pan-Squamata

Squamata

Bifurcata

Unidentata

Episquamata

Toxicofera

Sepentes

Anguimorpha

Mosasauria

Mosasauroidea

Mosasauridae

Russelosaurina

Yaguarasaurinae

Yaguarasaurus

Yaguarasaurus columbianus

Yaguarasaurus regiomontanus

Russellosaurus

Russellosaurus coheni

Romeosaurus

Romeosaurus fumanensis

Romeosaurus sorbinii

Tylosaurinae

Tylosaurus

Tylosaurus saskatchewanensis

Tylosaurus pembinensis

Tylosaurus bernardi

Tylosaurus proriger

Tylosaurus nepaeolicus

Tylosaurus gaudryi

Tylosaurus ivoensis

Tylosaurus iembeensis

Taniwhasaurus

Taniwhasaurus oweni

Taniwhasaurus antarcticus

Kaikaifilu

Kaikaifilu hervei

Tehtysaurinae

Tethysaurus

Tethysaurus nopcsai

Plioplatecarpinae

Selmasaurini

Gavialimimus

Gavialimimus almaghribensis

Selmasaurus

Selmasaurus russelli

Selmasaurus johnsoni

Plioplatecarpini

Plioplatecarpus

Plioplatecarpus marshi

Plioplatecarpus depressus

Plioplatecarpus primaevus

Plioplatecarpus houzeaui

Plioplatecarpus peckensis

Platecarpus

Platecarpus tympaniticus

Plesioplatecarpus

Plesioplatecarpus planifrons

Latoplatecarpus

Latoplatecarpus willistoni

Latoplatecarpus nichollsae

Ectenosaurus

Ectenosaurus clidastoides

Ectenosaurus everhartorum

Ectenosaurus tlemonectes

Ectenosaurus shannoni

Haasiasaurus

Haasiasaurus gittelmani

Halisaurinae

Halisaurini

Halisaurus

Halisaurus platyspondylus

Halisaurus arambourgi

Halisaurus hebae

Phosphorosaurus

Phosphorosaurus ortliebi

Phosphorosaurus ponpetelegans

Pluridens

Pluridens calabaria

Pluridens serpentis

Pluridens walkeri

Mosasaurinae

Mosasaurini

Mosasaurus

Mosasaurus hoffmannii

Mosasaurus missouriensis

Mosasaurus conodon

Mosasaurus lemonnieri

Mosasaurus beaugei

Plotosaurus

Plotosaurus bennisoni

Prognathodontini

Prognathodon

Prognathodon solvayi

Prognathodon currii

Prognathodon giganteus

Prognathodon lutugini

Thalassotitan

Thalassotitan atrox

Globidensini

Globidens

Globidens alabamaensis

Globidens dakotensis

Globidens hisaensis

Globidens phosphaticus

Globidens schurmanni

Globidens simplex

Xenodens

Xenodens calminechari

Jormungandr

Jormungandr walhallaensis

Aigalosauridae

Aigialosaurus

Aigialosaurus dalmaticus

Dolichosauridae

Dolichosaurus

Dolichosaurus longicollis

Polyglyphanodontia

Iguania

Huehuecuetzpalli

Rhynchocephalia

Sphenodontia

Acrosphenodontia

Eusphenodontia

Neosphenodontia

Euproposphenodontia

Opisthodontia

Eilenodontidae

Eilenodon

Opisthias

Saphenodantidae

Sphenodon

Tika

Navajosphenodon

Pleurosauridae

Pleurosaurus

Vadasaurus

Sapheosauridae

Sapheosaurus

Leptosaurus

Clevosauridae

Clevosaurus

Polysphenodon

Microsphenodon

Planocephalosaurus

Micromenodon

Gephyrosauridae

Gephyrosaurus

Tamaulipasaurus

Kuhenosauridae

Icarosaurus

Kuhenosaurus

Choristodera

Neochoristodera

Champsosaurus

Tchoiria

Allochoristodera

Hyphalosaurus

Shokawa

Thalattosauria

Thalattosauroidea

Nectosaurus

Thalattosaurus

Askeptosauroidea

Askeptosaurus

Endennasaurus

Miodentosaurus

Sauropterygia

Eosauropterygia

Eusauropterygia

Pistosauroidea

Pistosauria

Plesiosauria

Neoplesiosauria

Plesiosauroidea

Cryptoclidia

Xenopsaria

Elasmosauridae

Euelasmosaurida

Weddellonectia

Aristonectinae

Kaiwhekea

Kaiwhekea katiki

Kaiwhekea katiki

Aristonectes

Aristonectes parvidens

Aristonectes parvidens

Aristonectes quiriquinensis

Morenosaurus

Morenosaurus stocki

Morenosaurus stocki

Tuarangisaurus

Tuarangisaurus keyesi

Tuarangisaurus keyesi

Zarafasaura

Zarafasaurua oceanis

Zarafasaurua oceanis

Elasmosaurinae

Styxosaurini

Styxosaurus

Styxosaurus snowii

Styxosaurus snowii

Styxosaurus browni

Styxosaurus rezaci

Albertonectes

Albertonectes vanderveldei

Albertonectes vanderveldei

Elasmosaurus

Elasmosaurus platyurus

Elasmosaurus platyurus

Fluvionectes

Fluvionectes sloanae

Fluvionectes sloanae

Libonectes

Libonectes morgani

Libonectes morgani

Futabasaurus

Futabasaurus suzukii

Futabasaurus suzukii

Eromangasaurus

Eromangasaurus australis

Eromangasaurus australis

Jucha

Jucha squalea

Jucha squalea

Leptocleidia

Polycotylidae

Polycotylinae

Dolichorhynchia

Dolichorhynchops

Dolichorhynchops osborni

Dolichorhynchops osborni

Dolichorhynchops herschelensis

Polycotylus

Polycotylus latipinnis

Polycotylus latipinnis

Polycotylus sopozkoi

Trinacromerum

Trinacromerum bentonianum

Trinacromerum bentonianum

Trinocromerum kirki

Serpentisuchops

Serpentisuchops pfisterae

Serpentisuchops pfisterae

Occultonectia

Sulcusuchus

Sulcusuchus erraini

Sulcusuchus erraini

Plesiopleurodon

Plesiopleurodon wellesi

Palmulasaurinae

Palmulasaurus

Palmulasaurus qualdratus

Palmulasaurus qualdratus

Manemergus

Manemergus anguirostris

Manemergus anguirostris

Leptocleididae

Leptocleidus

Leptocleidus capensis

Leptocleidus capensis

Leptocleidus clemai

Leptocleidus superstes

Umoonasaurus

Umoonasaurus demoscyllus

Umoonasaurus demoscyllus

Cryptoclididae

Muraenosaurinae

Muraenosaurus

Muraenosaurus leedsii

Muraenosaurus leedsii

Cryptoclidinae

Cryptoclidus

Cryptoclidus eurymerus

Cryptoclidus eurymerus

Cryptoclidus richardsoni

Colymbosaurinae

Abyssosaurus

Abyssosaurus  nataliae

Abyssosaurus nataliae

Microcleididae

Microcleidus

Microcleidus homalospondylus

Microcleidus homalospondylus

Microcleidus macropterus

Microcleidus ournemirensis

Microcleidus melusinae

Plesiosaurus

Plesiosaurus dolichodeirus

Plesiosaurus dolichodeirus

Pliosauroidea

Eupliosauria

Pliosauridae

Thalassophonea

Brachaucheninae

Kronosaurus

Kronosaurus queenslandicus

Sachiasaurus

Sachicasaurus vitae

Pliosaurus

Pliosaurus funkei

Pliosaurus carpenteri

Pliosaurus kevani

Pliosaurus almanzaensis

Pliosaurus westburyensis

Pliosaurus rossicus

Pliosaurus brachydeirus

Liopleurodon

Liopleurodon ferox

Liopleurodon pachydeirus

Attenborosaurus

Attenborosaurus conybeari

Stratesaurus

Stratesaurus taylori

Bathyspondylus

Bathyspondylus swindoniensis

Rhomaleosauridae

Rhomaleosaurus

Rhomaleosaurus thorntoni

Rhomaleosaurus cramptoni

Rhomaleosaurus zetlandicus

Rhomaleosaurus propinquus

Lindwurmia

Lindwurmia thiuda

Pistosaurus

Kwangsisaurus

Nothosauroidea

Nothosauria

Nothosauridae

Lariosaurinae

Lariosaurus

Nothosaurus

Simosauridae

Simosaurus

Brevicaudosaurus

Dawazisaurus

Corosaurus

Pachypleurosauria

Pachypleurosauridae

Honghesaurus

Neusticosaurus

Keichousauridae

Keichousaurus

Dianmeisaurus

Placodontiformes

Placodontia

Cyamodontoidea

Cyamodontia

Cyamodus

Placochelyida

Placochelyidae

Placochelys

Psephoderma

Henodontidae

Henodus

Placodus

Palatodonta

Hanosaurus

Saurosphargidae

Saurosphargis

Largocephalosaurus

Helverticosauridae

Helveticosaurus

Ictyhosauromorpha

Icthyosauriformes

Icthyopterygia

Eoicthyosauria

Ictyhosauria

Hueneosauria

Merriamosauria

Euicthyosauria

Pravipelvia

Neoicthyosauria

Thunnosauria

Baracromia

Opthalmosauria

Platypterygiidae

Platypterygiinae

Platypterygius

Aegirosaurus

Opthalmosauridae

Opthalmosaurinae

Opthalmosaurus

Jabalisaurus

Stenopterygiidae

Stenopterygius

Icthyosauridae

Icthyosaurus

Temenodontosauroidea

Leptonectidae

Eurhinosaurus

Temnodontosaurus

Macgowania

Toretocnemidae

Toretocnemus

Shastasauridae

Shastasaurus

Shonisaurus

Besanosaurus

Mixosauridae

Mixosaurus

Cymbospondylidae

Cymbospondylus

Grippidia

Grippiidae

Grippia

Utahsusaurus

Thaisaurus

Omphalosauridae

Cartorhynchus

Hupehsuchia

Hupesuchidae

Parahupehsuchinae

Parahupehsuchus

Hupehsuchus

Eohupehsuchus

Weigeltisauridae

Coelurosauravus

Weigeltisaurus

Younginidae

Youngina

Tangasauridae

Hovasaurus

Depanosauromorpha

Drepanosauridae

Drepanosaurus

Megalancosaurus

Kyrgyzsaurus

Claudiosaurus

Heleosuchus

Parareptilia

Procolophonomorpha

Ankyramorpha

Lanthanosuchoidea

Lanthanosuchidae

Lanthanosuchus

Acleistorhinidae

Acleistorhinus

Procolophonia

Procolophonoidea

Procolophonidae

Procolophoninae

Procolophon

Kapes

Leptopleuroninae

Phonodus

Leptopleuron

Theledectinae

Theledectes

Pintosaurus

Coletta

Owenettidae

Owenetta

Pareiasauromorpha

Pareiasauria

Velosauria

Therischia

Scutosaurus

Elginia

Pumiliopareiasauria

Pumiliopareia

Anthodon

Bunostegos

Parasaurus

Nycteroleteridae

Emeroleter

Macroleter

Nyctiphruretidae

Abyssomedon

Bolosauria

Bolosauridae

Bolosaurus

Erpetonyx

Millerosauria

Millerettidae

Milleretta

Mesosauria

Mesosaurus

Dolerosaurus