AncestorIsodectesAcroplousDvinosaurusTupilakosaurusTrimerorachisNeldasaurusTersomiusTrematopidaeDissorophusEryopsZatrachydidaeSclerocephalusCheliderpetonArchegosaurusPlatyoposaurusKonzhukoviaPeltobatrachusRhinesuchidaeLydekkerinaLuzocephalusLapillopsisCapitosauridaeMastodonsaurusBenthosuchusThoosuchusTrematosauridaeAlmasaurusBuettneriaLaidleriaPlagiosauridaeRhytidosteidaeXenobrachyopsBatrachosuchusSideropsKeratobrachyopsPelorocephalusThabanchuiaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Yates_et_Warren_2000a