outgroupProburnetiaBurnetiaLemurosaurusLycaenodonHerpetoskylaxHipposaurusBiarmosuchus_tenerCynosaurusLycaenopsGorgonops_torvusPatranomodonSuminiaBiseridens_qilianicusSyodon_biarmicumTitanophoneus_potensSinophoneus_yumenensisStyracocephalusJonkeriaEstemmenosuchus_uralensisRaranimus_dashankouensisTetraceratopsDimetrodon_limbatusProsictodonDiictodonRobertiaEosimopsChelydontopsEndothiodonDicynodontoidesKombuisia_frerensisMyosaurusCistecephaloidesKawingasaurusCistecephalusEmydops_arctatusTropidostomaAustralobarbarusOudenodon_bainiiPelanomodon_tuberosusGeikia_locusticepsAulacephalodon_bainiiIdelesaurusOdontocyclops_dubiusRhachiocephalus_magnusVivaxosaurusKannemeyeria_simocephalaLystrosaurus_murrayiDicynodon_trautscholdiDicynodon_amalitzkiiDicynodon_lacerticepsDelectosaurusKatumbia_parringtoniInterpresosaurusElphPristerodonLanthanostegusColobodectesEodicynodon_oosthuizeniOphiacodon_mirusStereophallodon_ciscoensisVaranosaurus_acutirostrisArchaeothyris_florensisMesenosaurus_romeriHeleosaurus_scholtziMycterosaurus_longicepsWatongia_meieriVaranodon_agilisVaranops_brevirostrisAerosaurus_wellesiAerosaurus_greenleeorumRuthiromia_elcobriensisPyozia_mesenensisArchaeovenator_hamiltonensisEothyris_parkeyiOedaleops_campiCotylorhynchus_hancockiCotylorhynchus_bransoniCotylorhynchus_romeriAngelosaurus_romeriAngelosaurus_dolaniEnnatosaurus_tectonEuromycter_rutenaTrichasaurus_texensisCasea_broiliiOromycter_dolesorumEdaphosaurus_boanergesEdaphosaurus_novomexicanusLupeosaurus_kayiGlaucosaurus_megalopsIanthasaurus_hardestiiDimetrodon_milleriSphenacodonCryptovenator_hirschbergeriSecodontosaurus_obtusidensCutleria_wilmarthiPantelosaurus_saxonicusHaptodus_garnettensisIanthodon_schultzeiTapinocaninus_pamelaeTiarajudensAnomocephalusUlemicaOtsheriaGalechirusGaleopsLycosuchusStahleckeriaDolichuranusShansiodonVinceriaTetragoniasDinanomodon_rubidgeiDaptocephalus_leonicepsMAMMALIAEdaphosaurus_crucigerEmydops_oweniKombuisia_antarcticaGeikia_elginensisGalepusCtenospondylusPalaeohatteriaMORGANUCODONTIDAETRITYLODONTIDAEExaeretodonDiademodonThrinaxodonProcynosuchusIctidosuchusDviniaCharassognathusGlanosuchusIctidosaurusPristerognathusMirotenthesHofmeyriaIctidostomaOlivierosuchusPromoschorhynchusCerdopsMoschorhinusEuchambersiaRegisaurusScaloposaurusLycideopsEriciolacertaBauriaTetracynodon_dartiIctidosuchoidesIctidosuchopsMoschowhaitsiaTheriognathusViatkosuchusKitchinganomodonDaqingshanodon_limbusKeyseria_benjaminiDicynodon_hueneiDinanomodon_gilliSintocephalus_alticepsBasilodon_woodwardiEuptychognathus_bathyrhynchusLystrosaurus_declivisLystrosaurus_hediniKwazulusaurus_shakaiLystrosaurus_maccaigiLystrosaurus_curvatusSyops_vanhoepeniJimusaria_sinkianensisRechnisaurusDinodontosaurusRhinodicynodonKannemeyeria_lophorhinaRabidosaurusParakannemeyeria_dolichocephalaUralokannemeyeriaPlaceriasMoghreberiaRhadiodromusWadiasaurusSangusaurusJachaleriaIschigualastiaSinokannemeyeria_pearsoniXiyukannemeyeria_brevirostrisAngonisaurusTurfanodon_bogdaensisGordonia_traquairiEodicynodon_oelofseniEdaphosaurus_pogoniasEdaphosaurus_colohistionKingoriaElliotsmithiaApsisaurusBullacephalusAustralosyodon_nyaphuliAnteosaurus_magnificusPachydectesLobalopexSinoconodonTRITHELEDONTIDAEProbainognathusProbelesodonCYNOGNATHIAGALESAURIDAEIctidorhinusZambiasaurusLystrosaurus_georgiDicynodon_trigonocephalusUlemosaurus_svijagensisEstemmenosuchus_mirabilisNotosyodon_guseviPampaphoneus_biccaiTitanophoneus_adamanteusMicrosyodonArchaeosyodon_praeventorParaburnetiaNiuksenitiaLophorhinusMRPMaximum ParsimonyBased on reanalysis of the original matrix. Note codings for Ischigualastia were collapsed into a single taxon correcting a problem with the original data.Brocklehurst_etal_2013a