(Mammalodon_colliveri,(Eomysticetus_whitmorei,((Eschrichtius_robustus,(Megaptera_novaeangliae,((Balaenoptera_omurai,((Balaenoptera_acutorostrata,Balaenoptera_bonaerensis),(Balaenoptera_borealis,Balaenoptera_edeni))),(Balaenoptera_musculus,Balaenoptera_physalus)))),(Caperea_marginata,(Balaena_mysticetus,Eubalaena_sp)))));