CaptorhinusLimnoscelisDiadectesVaranopsOphiacodonEdaphosaurusDimetrodonSphenacodonCasea_broiliiCaseopsis_agilisCaseoides_sanangeloensisCasea_nicholsiCasea_halselliTrichasaurus_texensisCotylorhynchus_romeriCotylorhynchus_bransoniCotylorhynchus_hancockiAngelosaurus_romeriAngelosaurus_dolaniAngelosaurus_greeniRuthenosaurus_russellorumEnnatosaurus_tectonEuromycter_rutenusOromycter_dolesorumEothyris_parkeyiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Romano_et_Nicosia_2015b