IchthyostegaPederpesCrassigyrinusEucrittaGreererpetonBalanerpetonCochleosaurusSilvanerpetonAnthracosaurusProterogyrinusEoherpetonPalaeoherpetonPholiderpetonArcheriaBystrowianaChroniosuchusJarilinusChroniosaurusMadygenerpetonGephyrostegusSeymouriaLimnoscelisMicrosauriaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Schoch_etal_2010a