EryopsTrematopidaeDissorophidaeSclerocephalusArchegosaurusPlatyoposaurusPeltobatrachusRhinesuchidaeLydekkerinaEryosuchus_pronusMastodonsaurusBenthosuchusTrematosauridaeBuettneriaRhytidosteidaePelorocephalusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Pawley_et_Warren_2005a