Silvanerpeton

Eusauropleura

Gephyrostegeus bohemicus

Schoenesmahl (formerly Bavarisaurus)FraxinisauraLacertulus

Daohugou lizard IVPP V13747

Meyasaurus

Indrasaurus

Carusia

Hoyalacerta

Homoeosaurus solnhofensisIPB R 535 Homoeosaurus tail

IVPP V14386Dalinghosaurus

Eldeceeon 1990.7.1Eldeceeon holotype

WestlothianaCasineriaBrouffia

PaleothyrisCoelostegus

Hylonomus

Protorothyris MCZ1532

EudibamusAphelosaurusPetrolacosaurusAraeoscelisSpinoaequalisGalesphyrusYoungina BPI 3859

Acerosodontosaurus

ThadeosaurusTangasaurusHovasaurusClaudiosaurus Adelosaurus

Atopodentatus

LargocephalosaurusOmphalosaurus

Sinosaurosphargis

Anarosaurus

Youngina larger specimen

Youngina SAM K7710

Youngina TM 3603Youngopsis rubidgei RC90Youngopsis kitchingi TM1490Youngoides RC91Youngina AMNH 5561Youngoides UC1528

Proterosuchus BPI 1 4016Polymorphodon Archosaurus

Chasmatosaurus NMQR 1484Teyujagua

Proterosuchus RC96

Euparkeria SAM PK K5867Euparkeria SAM PK K6047AOsmolskina

TasmaniosaurusRevueltosaurusFugusuchusGarjainiaVjushkoviaErythrosuchusLuperosuchusShansisuchus

RiojasuchusOrnithosuchusYoungosuchusPrestosuchus

BatrachotomusSaurosuchus

SmokTeratosaurusCM73372

Aenigmaspina

SikannisuchusPostosuchus

Decuriasuchus

Hemiprotosuchus

Pagosvenator

TurfanosuchusPoposaurusSacisaurusSilesaurusLotosaurusShuvosaurusEffigia

Protorothyris CM 8617Protorothyris MCZ 2149Vaughnictis

Cabarzia

MFSN 19235Scandensia

ArchaeovenatorAnningia

OrovenatorPyoziaBroomiaMilleropsis BPI-720Erpetonyx

Ascendonanus MNC-TA0924

Rauisuchus

PVL 4597

Lewisuchus

TarjadiaParringtonia

Gracilisuchus

MCZ4116

SaltopusScleromochlus

Fruitachampsa

TeleocraterArizonasaurus

YarasuchusQianosuchusNundasuchusTicinosuchus

AeotosauroidesAetosaurus

Stagonolepis

Wumengosaurus

ThaisaurusXinminosaurusUtatsusaurusShastasaurus alexandraeShastasaurus pacificus UCMP 9017

GrippiaMacgowania

MikadocephalusYGMIRSPCV03108ParvinatatorChaohusaurusBesanosaurusQianichthyosaurus CMNH V1412Qianichthyosaurus IVPP V11839Phalarodon fraasiContectopalatus'Phalarodon' nordenskioeldiiMixosaurusCymbospondylus petrinusShonisaurus sikanniensisGuanlingsaurus GNG dq-50Guanlingsaurus YGMR SPC V03107

WimaniusPlatypterygiusGuizhouichthyosaurus tangae IVPP V 11853'Cymbospondylus' buchseriShonisaurus popularisXNGM WS 53 R4

Ichthyosaurus communisOphthalmosaurusLeptonectes tenuirostrisHauffiopteryxBRLSI M1399

Suevoleviathan GPIT 328/4/5Suevoleviathan SMNS15390

Eurhinosaurus

Chasmatosaurus QR 880C.500Chasmatosaurus SAM PK 11208Chasmatosaurus TM 201

Elaphrosuchus RC59

Diandongosuchus

Teraterpeton

MesorhinosuchusPaleorhinusParasuchusChanaresuchusProterochampsa PVSJ 77Proterochampsa PVSJ606Pseudochampsa PVSJ 567GualosuchusCerritosaurusTropidosuchus PVL 4601Tropidosuchus PVL 4602Lagerpeton

Nyctiphruretus holotypeNycteroleter

Nyctiphruretus PIN 4659/1

BarasaurusKitchingnathusSantaisaurusSauropareionColettaPaliguanaSophineta

PsilotrachelosaurusPIMUZ AIII 0192SMF R 4710StereosternumBrazilosaurus holotypeMesosaurusYAGM V1401

SerpianosaurusGunakadeitConcavispinaXinpusaurus kohiXinpusaurus suniThalattosaurusWachtlerosaurusEndennasaurusClarazia

AskeptosaurusAnshunsaurusMiodentosaurus

Eusaurosphargis holotypeHelveticosaurusVancleavea

DiandongosaurusPalatodontaPappochelysPalacrodonMajiashanosaurusParaplacodus

Placodus gigasHenodusPlacochelysCyamodus

Proterosuchus SAMPKK10603DoswelliaYoungina BPI 2871ElachistosuchusTchoiriaIkechosaurusChampsosaurusSimoedosaurusCteniogenys

PhilydrosaurusLazarussuchusHyphalosaurusMonjurosuchus GMV216Monjurosuchus NMM3671

Terrestrisuchus

Litargosuchus

Erpetosuchus

Hesperosuchus

Kayentasuchus

Pedeticosaurus

Yonghesuchus

Dromicosuchus

SichuanosuchusProtosuchus

Sphenosuchus

SaltoposuchusDibothrosuchusColoradisuchus

DakosaurusTeleosaurusPelagosaurusDyoplax

MetriorhynchusSebecusIsisfordiaCrocodylus niloticusAraripesuchusSimosuchus

MariliasuchusArmadillosuchus

CaipirasuchusBaurusuchus

HerrerasaurusGnathovorax

TchingisaurusChometokadmonGekko smithiiLialisGekko geckoEublepharis

NorelliusArdeosaurusEichstaettisaurus schroederi

Eichstaettisaurus gouldiJucaraseps

AphanizocnemusAdriosaurusPontosaurusPrimitivus

TetrapodophisDinilysiaPachyrhachisBoaCrotalusAtractaspis

LoxocemusNajash

Yabeinosaurus IVPP V13284

XenopeltisAniliusCylindrophisUropeltisAnomochilus

LeptotyphlopsLiotyphlopsTyphlops

Bahndwivici FMNH PR2260

AigialosaurusTethysaurusTylosaurusPlotosaurus

Not Ascendonanus MNC TA1045

Saniwa ensidens FMNHEstesiaVaranus komodensisVaranus griseus

ShinisaurusHelodermaLanthanotusAnniellaGobiderma

OphisaurusKuroyuriella

MyrmecodaptriaElgaria

Cryptolacerta

Chalcides ocellatusChalcides guentheri

GymnophthalmusCorucia

VanzosauraSirenoscincusSlavoia MGR-I-112SineoamphisbaenaCrythiosaurusSpathorhynchus

DibamusTamaulipasaurus

BipesAmphisbaena

BarberenasuchusEodromaeus

Sakurasaurus

LimnoscelisOrobatesTseajaia

Tetraceratops

Milleretta RC14Milleretta RC70

BashkyroleterMacroleterEmeroleterLanthanosuchus

UrumqiaBruktererpeton

Thuringothyris MNG 7729Thuringothyris MNG 10183

Reiszorhinus

CephalerpetonOpisthodontosaurus

Concordia KUVP 8702aConcordia KUVP 96/95Romeria primus

Saurorictus

Romeria texanaProtocaptorhinusParacaptorhinusEocaptorhinusCaptorhinusLabidosaurus

Calanguban

Acanthodactylus

EolacertaLacerta

Tupinambis Dorsetisaurus

Slavoia holotype ZPAL MgR-I/8Slavoia ZPAL MgR-III/77MacrocephalosaurusTianyusaurus

Diadectes CM25471Silvadectes absitus MNG 8853PhonodusBolosaurusBelebeyOradectes sanmiguelensisDiadectes UC706Diadectes sideropelicusProcolophonKapesScolaparia NSM 99 GF82.1LeptopleuronPentaedrusaurusHypsognathus

Youngina BPI 375Prolacerta AMNH 9502IxalerpetonCzatkowiella

Malerisaurus

Prolacerta BPI 1/471‘Vellbergia’

Ozimek

Protorosaurus NHMW 1943I4*Boreopricea

Jaxtasuchus

Protorosaurus NMK S 180

Protorosaurus WMsN P47361Pamelaria

Zupaysaurus - skull onlyMegapnosaurus - skull only

StephanospondylusProvelosaurusDeltavjatia KPM232ScutosaurusBradysaurus NHMWAnthodonPareiasuchusPumiliopareia

JZC Bu1803 - amber

LiushusaurusPurbicella

Euposaurus

Iguana

TriocerosPhrynosomaUma

Basiliscus

Anolis

PristidactylusChlarodon

Kopidosaurus

Chlamydosaurus

JKZ Bu267 -amber

Tawa

Staurikosaurus

Segisaurus - no skullZuolong

MarasuchusProcompsognathus - no skull

Dracoraptor

CoelophysisDilophosaurus

Sinocalliopteryx

Buriolestes CAPPA/UFSM 0035

VelociraptorBambiraptor

BalaurHaplocheirus

ShuvuuiaHalszkaraptorSinornithoidesSaurornithoides

JinfengopteryxAnchiornis LPM B00169

Anchiornis PKUP V1068Anchiornis IVPP V14378

Aurornis

Caihong

Buitreraptor

Wulong

Sinovenator

Eosinopteryx

Xiaotingia

ElliotsmithiaApsisaurusAerosaurusVaranopsVaranodon

Varanosaurus FMNH PR 1760

Varanosaurus BSPHM 1901 XV20ArchaeothyrisOphiacodon

HaptodusPantelosaurus

SecodontosaurusDimetrodonSphenacodonIanthodonEdaphosaurusIanthasaurusGlaucosaurus

Cutleria

StenocybusIVPP V18117KenyasaurusGalechirusSuminiaVenjukoviaEodicynodonDicynodon

Mesenosaurus OMNH 73209Mycterosaurus FMNH UC169NikkasaurusMesenosaurus PIN 158/1Niaftasuchus

Beipiaosaurus

RahonavisJianchangosaurus

LimusaurusCaudipteryxKhaan

JuravenatorSinosauropteryx

Compsognathus holotypePelecanimimus

AorunStruthiomimusGarudimimusGallimimusIGM 100/0977 (not Shuvuuia)

OrnitholestesScriurumimus

Microraptor IVPP V 13352Microraptor STM5-32

ChangyuraptorMicroraptor M V1002

Sinornithosaurus holotypeSinornithosaurus NGMC 91

FukuivenatorMasiakasaurusTianyuraptor

HuaxiagnathusZhenyuanlongAlioramus altai

GorgosaurusRaptorex

Tyrannosaurus

Reptile Family TreePeters 2021 1865+ taxa, 235 characters

EoraptorPampadromaeus

Leyesaurus

Saturnalia

AardonyxPlateosaurus

Pantydraco

Efraasia

Massospondylus adultMassospondylus embryoYizhousaurus

ChilesaurusDaemonosaurusJeholosaurus

JesairosaurusHypuronector

VallesaurusAvicranium

Megalancosaurus

Tridentinosaurus

CoelurosauravusWeigeltisaurus

Mecistotrachelos

LanthanolaniaIcarosaurusKuehneosaurusXianglong

Owenetta rubidgeiOwenetta kitchingorumCandelaria

FeeserpetonMartensius

AustralothyrisEocaseaDelorhynchusMicroleterAcleistorhinusEunotosaurusEorhynchochelys

OedaleopsEothyrisColobomycter vaughniColobomycter pholeterDatheosaurusEnnatosaurusCaseaCotylorhynchus

Placodus inexpectatus

Hipposaurus

BiarmosuchusTitanophoneusProcynosuchusThrinaxodonProzostrodonProbainognathusChiniquodonCastorocaudaHaldanodonPseudotherium

JueconodonLiaoconodon

Fossiomanus

Pachygenelus

RiograndiaChaliminia

Oligokyphus

Microdocodon

KayentatheriumTritylodon

SpinolestesJeholodens

GobiconodonRepenomamus robustusRepenomamus giganticus

Yanoconodon

SinoconodonBrasilodonHaramiyavia

TherioherpetonAdeleobasileus

Megazostrodon

Alcidedorbignya

MaotheriumOrigolestes

Maelestes

AnagaleSiamotheriumLeptictisRhynchocyon

Harpagolestes macrocephalusSinonyxCarsioptychius

Andrewsarchus

Hemicentetes

Andrewsiphius

TenrecLeptictidiumIndohyus

OnychodectesConoryctella

EctoconusPantolambda Barylambda

GlyptodonParamylodonBradypusPeltephilus

Fruitafossor

Orycteropus

Myrmecophaga

HolmesinaChlamyphorus

DasypusTamanduaCyclopes

MeniscotheriumOrthaspidotheriumTitanoides

AstrapotheriumPhenacodusThomashuxleya

GobiatheriumArsinoitheriumCoryphodonUintatheriumBathyopsis

MesonyxHarpagolestes

OcepeiaSimbakubwa

Merycopotamus

MerycoidodonAgriochoerus

HomalodotheriumMiocochiliusProtypotherium

LitolophusDiadiaphorus

EmbolotheriumEotitanops

MetamynodonAceratherium

Hyracotherium

HyracodonUintaceras

Hyrachyus

Mesohippus

Pappoceras

Equus

JuxiaParaceratherium

Ceratotherium

Anisodon grande

PakicetusMaiacetus

Mammalodon

CoronodonAetiocetus

Zygorhiza

Mystacodon

Physeter

MonodonDelphinapterusTursiopsOrcinus

Hippopotamus

AnthracobuneCambaytheriumCornwallius

Janjucetus

PaleoparadoxiaNeoparadoxia

Desmostylus

Behemotops RBCM sp.

EschrichtiusIsanacetusBalaenoptera

TokarahiaYamatocetusMaiabalaena

CetiotheriumSitsqwayk

CapereaEubalaena

ArganacerasSphodrosaurusSclerosaurus

Odontochelys

TrionyxPerochelys

Ocepechelon

Bunostegos

Elginia mirabilisElginia wuyongae

NiolamiaMeiolaniaProterochersisProganochelysPalaeochersis

KayentachelysBaena

Kallokibotion_UBB ToK-2Arvinachelys

GlyptopsMongolochelysChubutemys Desmatochelys

Chelonia

Santanachelys

DermochelysMacrochelys temminckii

Terrapene carolinaFoxemys

Carettochelys

Pelomedusa

AraripemysChelus

SaichangurvelMagnuviator

PleuraspidotheriumPeriptychus

IVPP V2385

Anthracodromeus

Reptilia

Guaibasaurus - no skull

Miohippus

AncodusLambdotherium

SusCainotherium

Dinohyus

AnthracotheriumArchaeotherium

Danjiangia

Ectocion ralstonensis

NotostylopsProcaviaRadinskya

DusisirenProrastomus

PaleomastodonGomphotheriumElephas

MoeritheriumRostriamynodon

Amynodon

Note: This tree does not support DNA topologies over long phylogenetic distances.Certain dental traits are convergent and do not define clades.

HeptodonLophiodonTapirusProtapirusIsectolophus

Eusaurosphargis juvenile

Fostercooperia

YPM VP 057 103

Junggarsuchus

CarnufexPseudhesperosuchusTrialestes

RhamphocephalusZanazabarGobivenator

PalaechthonCynocephalus

Chriacus

Kopidodon

OnychonycterisIcaronycteris

Rousettus

MyotisTadarida

Choeronycteris

Mystacina

ZhangheotheriumMetachcheiromysManis

Archaeopteryx albersdoerferi Daiting

Ostromia - Haarlem

Falcarius

Caluromys

Ectocion cedrus UM 8615

MicromeryxGiraffa

Camelus

Miocaperea

Chonecetus

Draco volansMoloch

Lyriocephalus

Megachirella

Feralisaurus

Pleurosaurus

Marmoretta

GephyrosaurusDiphydontosaurus

AnkylosphenodonPaleopleurosaurusPlanocephalosaurusHeleosuchusKallimodonSphenodonBrachyrhinodonClevosaurusSphenotitanLeptosaurusVadasaurusSapheosaurusNoteosuchus

TrilophosaurusAzendohsaurusShringasaurus

EohyosaurusMesosuchusPriosphenodonRhynchosaurus articepsBentonyxHyperodapedon

Colobops

SaurosternonPalaegama

Polychrus

JZC Bu154 in amber

Buriolestes ULBRA-PVT280

Lepidosauromorpha

Archosauromorpha

JuramaiaChaoyangodensBrasilitheriumKuehneotherium

CifelliodonTachyglossusAkidolestesOrnithorhynchus

Sinodelphys

TheosodonMacrauchenia

Chalicotherium? goldfussi

Lactodens

Ptilocercus

TupaiaMacroscelidesChrysochlorisNecrolestes

ApatemysHeterohyus

PalaeothentesMicrosyopsTrogosus

RhyncholestesCaenolestes

UropsilusScutisorexLimnogaleMicrogale cowaniPotamogaleMicropotamogale

ZalambdalestesSolenodonHenkelotherium

GomphosOchotona

OryctolagusBrachyerix

ErinaceusPholidocercus

Echinops

ThomomysHeterocephalusCeratogaulusCoendouMaiopatagiumPectinator

NeoreomysChinchillaCavia

AllactagaPedestes

Hydrochoerus

ShenshouVilevolodon

RattusEliomysMusParamysRatufaSciurus

Paulchoffatia

IgnaciusPlesiadapisDaubentoniaCarpolestesArboroharamiya

Megaconus

RugosodonXianshou

Kryptobaatar

Catopsbaatar

PtilodusYubaatarTaeniolabis

BrachiosaurusCamarasaurus

DiplodocusRapetosaurus

Pteropus

Balionycteris

Notopteris

Vulpavus

Loxolophus

ProtictisNasuaGenetta

Nandinia

Procyon

Ailurus

Prohesperocyon

HerpestesCryptoprocta

EupleresPlesiorycteropus

Talpa

Potos

MiacisHyopsodusEnaliarctosDesmatophocaPithanotariaZalophus

ProtelesSpeothosTremarctosBorophagusDiassacus

CanisDaphoneusAmphicyon majorHesperocyonPantheraCrocutaAmphicyon galushi

MustelaAiluropoda

PuijilaNeotherium

Ursus maritimusUrsus arctos

GuloArctodus

Kerberos

PatriofelisSarkastodon

StylinodonEctoganusMachaeroides

AmphicynodonPsittacotherium

PalaeosinopaMegistotherium

Phoca

OdobenusProtodobenus

DiplovertebronRomeriscusBystrowiellaSolenodonsaurus

Chroniosaurus PIN3585/124ChroniosaurusChroniosuchus

HayaPisanosaurus

ScelidosaurusEmausaurusMinmi

AgilisaurusStegoceras

Convolosaurus

ChangmianaKulindadromaeus

TianyulongHeterodontosaurus

LesothosaurusScutellosaurusIasberrysauraStegosaurus

ChangchunsaurusDryosaurusEdmontosaurus

LaquintasauraAquilopsHexinlusaurusYinlongPsittacosaurusLiaoceratops

AuroraceratopsBeg tse

Leptoceratops

StenopelixTriceratops adultTriceratops juvenileChasmosaurus adultChasmosaurusjuvenile

Compsognathus CNJ79

ProceratosaurusScipionyx

DeinocheirusSinornithomimus

XiongguanlongSuchomimusSpinosaurus

MurusraptorDilong

Guanlong

Megaraptor

Yutyrannus

SinraptorMajungasaurusCarnotaurus

AllosaurusSinosaurus triassicusSinosaurus ‘Dilophosaurus’ sinensis

Monolophosaurus

AcrocanthosaurusEustreptospondylusCeratosaurus

Tanycolagreus

Anchiornis BMNHC PH804

Barlochersaurus

Llanocetus

EohupehsuchusEretmorhipis WGCS V26020

ParahupehsuchusHupehsuchus

Litorosuchus

UkhaatheriumHadrocodiumMorganucodonVolaticotheriumEomaia

AgilodocodonAcristatheriumCronopioDidelphisAmbolestes

MonodelphisAsiatherium

Chironectes

VincelestesHuerfanodonPucadelphys

Thylacosmilus

GilroniaMarmosops

Dromiciops

MarmosaAsioryctesAsioryctes long rostrumPeramelesMacrotis

MyrmecobiusDasycercus

AnebodonDocofossorNotoryctes

Dasyuroides

Interatherium

MesotheriumHegetotherium

EuygeniumToxodonProcoptodonNambaroo

PotorousPseudocheirus

ProargyrolagusDendrolagusMacropus

DiprotodonPropalorchestesPalorchestes

PhascolarctosVombatusPyrotherium

PaedotheriumAdalatherium

GroeberiaVintanaBalbarooPhalangerPetaurusDactylopsiaThylacoleo

Dasyurus

Patagosmilus

Schowalteria

Callistoe

SinopaSarcophilusErnanodon

Thylacinus

OxyaenaAustraolhyaena

Thylophoropsnot Amphicyon

Arctocyon

Deltatheridium

Deltatherium

Hyaenodon

Didelphodon

MasrasectorMayulestesBorhyaena

Amphicyon idoneus

Macrocollum

TijubinaGRS-Ref-28627 Not Oculudentavis

Bavarisaurus macrodactylusHuehuecuetzpalli

DinocephalosaurusLPV 30280 w embryo

Macrocnemus T2472Macrocnemus GMPKU P3001

Macrocnemus T4822Macrocnemus T4823

PectodensTanystropheus k and qTanytrachelosTriopticus

Macrocnemus BES SC 111

Macrocnemus PIMUZ 2477

Langobardisaurus P10121Langobardisaurus MCSNB 2883Langobardisaurus MCSNB 4860Langobardisaurus MFSN1921

Cosesaurus Elessaurus (post-crania only)Oculudentavis (skull only)KyrgyzsaurusSharovipteryxLongisquama

BergamodactylusEudimorphodonPreondactyluisDimorphodon

?Hapalodectes IVPP V5235

NotharctusMicrocebus

LemurIndri

Smilodectes

AlouattaChilecebus

RooneyiaAotus

AegyptopithecusArchicebusDarwiniusTarsiusMacacaProconsulPanGorillaArdipithecusHomo sapiens

Conoryctes

PerodicticusGalago

Coeruleodraco

EchinosorexDeinogalerix

BalanerpetonCaerorhachisAmphibamusPlatyrhinops

Dendrerpeton-DendrysokosPerryellaTersomius

AchelomaPlatyhistrix

Stegops

Dissorophus

BroiliellusCacops

EcolsoniaFedexiaTambachia

GeorgenthaliaMicromelerpetonDoleserpetonApateonGerobatrachusTriassurus

AndriasChunerpeton

Necturus

CeltedensKaraurus

RanaAscaphusTriadobatrachus Utaherpeton

TuditanusLlistrofus

Kirktonecta

SauropleuraPtyonius

BatropetesHuskerpeton

Rhynchonkos

Asaphestera intermedium

MicraroterEuryodus primus

PantylusStegostretusBatrachiderpetonKeraterpetonDiceratosaurusDiplocaulusDiploceraspis

Acherontiscus

MicrobrachisAdelospondylusAdelogyrinusChinlestegophisBrachydectesLysorophusEocaeciliaDermophis

OestocephalusLethiscusRileymillerus

Phlegethontia CGH129Phlegethontia AMNH6966

GreererpetonOssinodus

AcanthostegaMGUH-VP-8160Parmastega

IchthyostegaProterogyrinusEoherpetonNeopteroplaxAnthracosaurus

BaphetesMegalocephalusPederpesWhatcheeriaVentastegaCrassigyrinus

Deltaherpeton

Trimerorhachis

Sclerothorax HLD-V608

Ariekanerprton

KotlassiaSeymouriaDiscosauriscusMakowskia

Utegenia 1Utegenia 2

TulerpetonEucritta

Scincosaurus

Panderichthys

ElpistostegeBrindabellaspis

TinirauKoilops

TiktaalikSpathicephalus

IsodectesAcroplousBermanerpeton

LaidleriaTrypanognathus

Dvinosaurus

Batrachosuchus

GerrothoraxSiderops

ColosteusAytonerpeton

Pholidogaster

PachypleurosaurusQianxisaurusCartorhynchusSclerocormusKeichousaurusDianmeisaurusDawazisaurusHanosaurus

LariosaurusCorosaurusCymatosaurusSachicasaurusNothosaurus

WangosaurusSimosaurusPaludidraco

AnningsauraAcostasaurusHauffiosaurus

PistosaurusThalassiodraconYunguisaurusRhomaleosaurus

PlesiosaurusTricleidusVinialesaurus

LibonectesAlbertocnectes

BrachaucheniusMegacephalosaurus

TrinacromerumDolichorhynchopsPeloneustes

StenorhynchusPliosaurus kevaniKronosaurus

Bobosaurus

SimolestesStyxosaurus

Plagiosuchus

IberospondylusPeltobatrachusSclerocephalus smns90055

Sclerothorax NMK-S 118A

ZatrachysEryopsEdops

CochleosaurusChenoprosopus

LaosuchusNigerpetonSaharastega

ArchegosaurusRhineceps

ParotosuchusParacyclotosaurusMastodonsaurus

WantzosaurusTrematosaurus long rostrumNeldasaurusTrematosaurusMetoposaurus

Thelodus GLAHM–V8304

Metaspriggina

Branchiostoma

Enoplus

Myxine

ArandaspisPoraspisDrepanaspis

Birkenia

Drepanolepis

Hemicyclaspis

Euphanerops

Rhincodon

Manta

TuriniaJagorina

Loganellia

Chondrosteus

AetobatusSquatina

Squalus

Cetorhinus

Chlamydoselachus

Isurus

Sphyrna

PalaeospondylusAquilolamna

Tetronarce = Torpedo

RhinobatosPristis

Mitsukurina

Cladoselache

PseudoscaphirhynchusYanosteus

Iniopteryx

Doliodus

Polyodon adult

Polyodon hatchling

SqualorajaScaporhynchus

TanyrhinichthysChimaera

CallorhinchusHelodus

Heterodontus

Belantsea

StensioellaStyloichthys

Kenichthys

GuiyuPsarolepis

QuebeciusAllenypterusHoloptychiusPorolepisLaccognathus

Miguashia

LatimeriaDialipina

YoungolepisTungsenia

PolypterusErpetoichthysPowichthys

UranolophusJanusiscus

DipnorhynchusHowidipterus

Cabonnichthys

OsteolepisEusthenopteronEusthenopteron juvenile

Gogonasus

Onychodus

Barameda

Gymnothorax aferEurypharynx

ArchaeothyrisProtorothyris

HaptodusDimetrodonEdaphosaurus

VaranosaurusOphiacodon

Cutleria

StenocybusIVPP V18117GalechirusGalepusGaleopsPatranomodon

Suminia

ColobodectesEodicynodon

Dicynodon

VenjukoviaOtsheria

AnomocephalusTiarajudens

Hipposaurus

IctidorhinusRaranimus

HerpetoskylaxLemurosaurusProburnetiaBurnetiaBiarmosuchusEotitanosuchus

Lobalopex

CyonosaurusAloposaurus

InostranceviaRubidgina

RegisaurusPromoschorhynchus

Bauria

CharassognathusEuchambersia

ScymnognathusGorgonopsAelurognathus

LycosuchusAbdalodonProcynosuchusThrinaxodonChiniquodonDviniaPachygenelusMegazostrodon

IVPP V18119MicrouraniaIVPP V18120SinophoneusDeuterosaurusEstemmenosuchus uralensisEstemmenosuchus miribilis

Phthinosuchus

Styracocephalus SAM PK 8936Styracocephalus? BPI/I/7141

ArchaeosyodonAustralosyodonnot juvenile Anteosaurus BP/1/7074

Syodon

TitanophoneusAnteosaurus magnificusAnteosaurus abeli

BiseridensJonkeriaStruthiocephalusStruthionopsMoschopsUlemosaurus

Therapsid Skull Tree (TST)75 taxa - 78 skull traits tested

Almas

ProtarchaeopteryxIncisivosaurus

Daliansaurus

Herperornithoides

Sinusonasus

Pseudictops

PteronisculusBoreosomus

AetheretmonFukangichthys

CheirolepisBluefieldius

Chirocentrus

Brycon

Malacosteus

Chauliodus

Brachyacanthus

Ischnacanthus

MesacanthusClimatius

Gorgasia

Lepidogalaxias

TrachinocephalusSynodus

Calamopleurus

Chiasmodon

Thoracopterus

EngraulisCoilia

XiphactinusPortheus

Amia

Strongylosteus

Proacanthodes

Ptomacanthus

Salmo

Flagellipinna Pycnodus

Hydrolycus

ChannaAenigmachanna

Protosphyraena

Dapedium

OsteoglossumOhmdenia

PholidophorusTriazeugacanthus

Robustichthys

LepidotesScheenstia

Semionotus

MimipiscisMoythomasia

SaurichthysCoccocephalichthys

ThunnusScomber

BRSLI M1332

Liparis

Polydactylus

Uranoscopus

Anarhichas

Coryphaena

PerleidusTicinolepis crassidensFeroxichthys

Notopterus

Perca

Gadus

Coryphaenoides

SphenocephalusCyprinus

SphyraenaRemoraOpisthomyzonRachycentron

Notothenia

IstiphorusLepisosteus

Orthosuchus

Strunius

Hongshanxi

KudnuCarbonodraco

Heleosaurus

GregoriusHarpagofututorEdestusGymnothorax funebris

Prohalecites

Jeholbaatar

Lagosuchus

Dendromaia (large roommate)

Dendromaia (small roommate)

TarrasiusAnnaichthys

Bandringa PF5686

Bandringa PF8442

Anableps

Satanichthys

NotelopsClupea

Scomberoides

PrionotusSatyrichthys

DactylopterusSauropsis

Seriola zonata

Dicrolene

AnguillaSynbranchus

ElectrophorusKryptoglanisTyphlichthysAmblyopsis

Gymnotus

AphanopusScombermorus

XiphiasAlepisaurus

Tylosurus

Gasterosteus

Regalecus

MormyropsGnathonemus

HippocampusAeoliscus

Plectocretacicus

Seriola rivoliana

AlbulaOpisthoproctus

Elops

Narcetes

BavarichthysPholidophorus? radians

Qilinyu

Menaspis

Dicksonosteus

AustroptyctodusCampbellodus

Diplacanthus

RomundinaBothriolepisMicrobrachiusParayunnanolepis

CoccosteusTitanichthysMcnamaraspisDunkleosteus

Esox

ClariasWuttagoonaspis

Hoplosternum

IctalurusKGM 1983 306

Entelognathus

CheirodusPlatysomus

Bonnerichthys

Hippoglossus

Heteronectes

Scorpis

Psettodes

Serrasalmus

Hoplerythrinus

MegalopsWadeichthysRhombichthys

SMNS 12591

Gogosardina

Gooloogongia

Livyatan (Leviathan)

Rhinopoma

Birgeria

Eurynotus

Synodontis

Acanthodes

Lunaspis

Homalacanthus

Asaphestera platyris

FG 596 V 20

Clupeospis

ANU V244

Neoclinus

AspidorhynchusOrthocormus

PseudocrypturusApteryx

RhynchotusEudromia

StruthioPatagopteryx

CasuariusRhea

CariamaPhoenicopterus

SylviornisSagittarius

Falco

Pandion

ButeoTorgos

ApusParargornis

TytoAegotheles

Llallawavis

Yanornis

ChangzuiornisJiangchangornis

LongicrusavisJinguofortis

Juehuaornis

Hongshanornis

Dingavis

CryputurusMegapodius

ApsaravisIchthyornisGansusHesperornis

CoccyzusMonias

Ardea

Ardeotis

Eozygodactylus

Butorides

Chauna Anhima

Pterocles

Fulica

Palaeoglaux

Asteriornis

Crex

AepyornisPalaelodus

PasserLonchura

Tetrao

GallusPavo

Eogranivora

MeleagrisCrax = Mitu

Opisthocomus

Macrocephalon

Dinornis

Ara macaoMelopsittacusNestor

Gastornis

AramusRallus

GaviaAechmophorus

Thalasseus

Charadrius

BalearicaJacana

Himantopus

EurypygaGrusChroicocephalusEocypselus

Archilochus

MegaceryleJabiru

CinclusTroglodytes

MelanerpesSitta

UriaAptenodytes

Geococcyx

Psophia

MusophagaMenura

SemiopteraParadisaea

CorvusTurdus

Quiscalus

Ciconia

Hirundo

Cyanocitta

Rhynochetos

Archaeopteryx siemensii ThermopolisArchaeopteryx siemensii BerlinLiaoning embryo birdArchaeopteryx London

Chongmingia

CathayornisAvimaia

SulcavisSinornis

‘Microcursor’ MPCM-LH-26189

PengornisShenqiornis

ChiappeavisSTM-34-1

Yanornis STM9-52

Iberomesornis

Protopteryx

SerikornisArchaeopteryx recurva (Eichstätt)JianianhualongLiaoningvenator

Sapeornis IVPP V13276Sapeornis DNHM-F3078

Confuciusornis GMV-2132

Archaeopteryx #11

Confuciusornis MBAv1168Changchengornis

Zhongornis

Archaeornithura

Vegavis

Oedicnemus

Archaeopteryx 12 private

Archaeopteryx bavarica (Munich)Jeholornis primaJeholornis curvipesHong Kong specimen

MeiYi

Archaeovolans (=Yanornis)

Archaeopteryx (Wellnhoferia) grandis

PteroglossusBuceros

Septencoarcias

Pelecanus

Catharacta

BalaenicepsFregata

Pelagornis

PuffinusMacronectes

Morus

Fraterculus

RynchopsPinguinus

Psilopogon

Cyrilavis

Phaethon

Upupa

Scopus

Phalacrocorax

Threskiornis

Platalea

AnasAnser

Mergus

Presbyornis

Pumiliornis

ColumbaCaloenas

PezophapsRaphus

Helornis

Aptornis

Didunculus

Tynskya

Messelastur

CoragypsVultur

Goura

Alcmonavis

ColiusPharomachrus

Eofringillirostrom

ScansoriopteryxAmbopteryx

EpidexipteryxOmnivoropteryx

Birds - Aves

Redondavenator

Pteromyzon hatchlingPteromyzon adult

Jamoytius

Dunyu

Haikouichthys

Pachycormus

Liaoningornis

Austroraptor

Melivora

Minjinia

XNGM WS 53 R4 embryo

Liaoningsaurus

Nahmavis

Filikokomys

Gnathostomata

Chordata

Ticinolepis longaeva

Tetrapoda

Cowralepis

Barbatodon

Falcatakely

Osteichthyes

Tristychius

MegachasmaDracopristis

Falcatus

IsistiusDaliatus

Akmonistion

Hybodus basanusOrodus

Hybodus fraasi Pucapampella

Ferromirum

Xenacanthus

Ozarcus

Ginglymostoma

Rhinochimaera

Fundulus

Debeerius

Acipenser

Gemuendina

GiganturaStylephorus

Danio

Pterois

Bathypterois

DiodonLagocephalus

ElacatinusOgcocephalus

PeriophthalmusAntennarius

Lophius

ExocoetusLampris

MolaBalistes

ArapaimaPseudoasthenocormus

Pomatomus

Archelon

Craniata

Proteus

Pikaia

Massamorichthys

Portunatasaurus

Enhydra

Cromeria

Sahonachelys

Cratoavis

Phorusrhacos

Cnemiornis

PriacodonTrioracodon

Tinodon

ShuotheriumAusktribosphenosAmphitheriumDocodonDryolestes

Henosferos

Milosaurus

Antarctanax

Teilhardina

Cimolestes

Asfaltomylos

Aldabrachelys

Crown Birds

Mammalia

Synapsida

Diapsida

Enaliosauria

Sauropterygia

Ichthyopterygia

Protorosauria

Terrestrial Younginiformes

Archosauriformes

Archosauria

Dinosauria

Phytodinosauria

Placentalia

Marsupialia

Monotremata

Squamata

Lepidosauria

Rhynchocephalia

Fenestrasauria

Pterosauria

Serpentes

Tanystropheidae

Drepanosauromorpha

Protosquamata

Euarchosauriformes

Pararchosauriformes

Softshell turtles

Pareiasauria

Hardshell turtles

Caseasauria

Reptilomorpha

Microsauria

Placodermi

Chondrichtyes