OUTGROUPAcanthostegaAcanthostomatopsAchelomaAcherontiscusAcroplousActiobatesAdamanterpetonAdelogyrinusAdelospondylusAlbanerp_inexpectatumAlmasaurusAmphibamusAnconastesAngusaurusAnthracosaurusApateonAphanerammaArchegosaurusArcheriaAriekanerpetonAsaphesteraBalanerpetonBanksiopsBaphetesBatrachiderpetonBatrachos_browniBatrachos_henwoodiBatrachos_watsoniBatropetesBenthosuchusBothricepsBrachyopsBrachydectesBranchiosaurusBroiliellusBruktererpetonBuettneriaCacopsCaerorhachisCapetusCaptorhinusCardio_peabodyiCardio_sternbergiCarrollaCasineriaCelted_ibericusCheliderpetonChenolewisiChenomilleriCherniniaChomatobatrachusCochleobohemicusCochleoflorensisColoraderpetonColosteusCompsoceropsCosgriffiusCrassigyrinusCtenerpetonCyclotosaurusDeltacephalusDendrerpetonDiadectesDiceratosaurusDiplocau_magnicornisDiplocau_primusDiploceraspisDisco_austriacusDisco_pulcherrimusDissorophusDoleserpetonDolichopareiasDutuitosaurusDvinosaurusEcolsoniaEdopsElginerpetonElpistostegeEocaeciliaEocaptorhinusEocyclotosaurusEogyrinusEoherpetonEoscopusEryopsEryosuchusErythrobatrachusEucrittaEugyrinusEuryodus_bonneriEuryodus_dalyaeEuryodus_peabodyiEuryodus_primusEusthenopteronGephyrostegusGreererpetonHapsidopareionHyloplesionHynerpetonIberospondylusIchthyostegaInflectosaurusIsodectesKaraurusKeraterpetonKeratobrachyopsKonzhukoviaKotlassiaKupferzelliaKuttycephalusLaidleriaLapillopsisLeiocephalikonLeptorophusLethiscusLimnoscelisLivonianaLlistrofusLoxommaLuzocephalusLydekkerinaLyrocephaliscusMastodonsaurusMazon_Creek_microsaurMegalocephalusMelanerpetonMetaxygnathusMicraroterMicrobrachisMicromelerpetonNeldasaurusObruchevichthysOdenwaldiaOdonterpetonOestocep_amphiuminumOestocep_granulosumOnchiodonOphiacodonOphiderpetonPaleothyrisPanderichthysPantylusParacyclotosaurusPariotichusParioxysParoto_madagascariensisParoto_nasutusParoto_orenburgensisParoto_pronusPederpesPelodosotisPelorocephalusPeltobatrachusPeronedonPetrolacosaurusPhlegeth_linearisPhlegeth_longissimaPholiderpetonPhonerpetonPLAGIOSAURIDAEPlatyhistrixPlatyoposaurusPlatyrhinopsPlatystegaProcochleosaurusProterogyrinusPseudophlegethontiaPtyoniusQuasicaeciliaQuasicyclotosaurusRewanobatrachusRhinecepsRhinesuchusRhynchonkosRHYTIDOSTEIDAESauravusSaurople_bairdiSaurople_pectinataSaurople_scalarisSaxonerpetonSchoenfelderpetonScincosaurusSclerocephalusSeym_baylorensisSeym_sanjuanensisSideropsSilvanerpetonSinobrachyopsSolenodonsaurusSparodusStanocephalosaurusStegopsStegotretusStenotosaurusStoschiosaurusTabanchuiaTambachiaTatrasuchusTersomiusTertremaThoosuchusTrematosaurusTrematosuchusTriadobatrachusTrimerorhachisTseajaiaTuditanusTulerpetonTupilakosaurusUranocentrodonUrocordylusUtaherpetonUtegeniaValdotritonVanastegaVentastegaVigiliusWantzosaurusWatsonisuchusWellesaurusWestlothianaWetlugasaurusWhatcheeriaXenobrachyopsZatrachysOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Ruta_etal_2003baRuta_etal_2003bb