Zygorhiza_kochiiAetiocetus_cotylalveusEomysticetus_whitmoreiCetotherium_rathkiiPiscobalaena_nanaPelocetus_calvertensisCophocetus_oregonensisAglaocetus_patulusDiorocetus_hiatusIsanacetus_laticephalusMegaptera_miocaenaBalaenoptera_acutorostrataBalaenoptera_physalusEschrichtius_robustusCaperea_marginataEubalaena_glacialisJoumocetus_shimizuiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Kimura_et_Hasegawa_2010a