Tseajaia_campiLimnoscelisCaptorhinusProtorothyris_archeriDimetrodon_sppSecodontosaurus_obtusidensCtenorhachis_jacksoniSphenacodon_ferociorCryptovenator_hirschbergeriTitanophoneus_potensBiarmosuchus_tenerRaranimus_dashankouensisBiseridens_qilianicusPantelosaurus_saxonicusCutleria_wilmarthiIanthodon_schultzeiHaptodus_garnettensisEdaphosaurus_boanergesEdaphosaurus_novomexicanusLupeosaurus_kayiIanthasaurus_hardestiiGlaucosaurusEcinerpeton_intermediumArchaeothyris_florensisVaranosaurus_acutirostrisOphiacodon_sppStereophallodon_ciscoensisOromycter_dolesorumEnnatosaurus_tectonEothyris_parkeyiOedaleops_campiCasea_broiliiCotylorhynchus_romeriAngelosaurus_romeriAngelosaurus_dolaniCaseopsis_agilisTrichasaurus_texensisCotylorhynchus_hancockiCotylorhynchus_bransoniCasea_rutenaWatonia_meieriRuthiromia_elcobriensisVaranodon_agilisVaranops_brevirostrisAerosaurus_wellesiAerosaurus_greenleorumBasicranodon_fortsillensisArchaeovenator_hamiltonensisMesenosaurus_romeriMycterosaurusHeleosaurus_scholtziBP_1_5678_ElliotsmithiaPyozia_mesensisEocaseaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Reisz_et_Frobisch_2014ac