SeymouriaLimnoscelidaeDiadectidaeSynapsidaMesosauridaeEunotosaurusMillerettidaeEudibamusBelebeyAcleistorhinusLanthanosuchusBradysaurusPareiasuchusScutosaurusProcolophonOwenettaBarasaurusCaptorhinidaePaleothyrisAraeoscelidiaYounginiformesMacroleterBashkyroleter_mesensisBashkyroleter_bashkyricusNycteroleterEmeroleterTokosaurusNyctiphruretusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Muller_et_Tsuji_2007a