(Bos_taurus,((Sus_scrofa,Hippopotamus_amphibius),((Eschrichtius_robustus,((Caperea_marginata,Eubalaena_glacialis),(Balaenoptera_physalus,Megaptera_novaeangliae))),(Platanista_gangetica,((Physeter_macrocephalus,Kogia_breviceps),((Ziphius_cavirostris,(Tasmacetus_shepherdi,(Berardius_bairdii,Mesoplodon_europaeus))),(Delphinapterus_leucas,(Orcaella_brevirostris,(Pseudorca_crassidens,((Orcinus_orca,(((Lipotes_vexillifer,(Inia_geoffrensis,Pontoporia_blainvillei)),(Phocoena_phocoena,Phocoenoides_dalli)),(Tursiops_truncatus,(Leucopleurus_acutus,Delphinus_delphis)))),(Globicephala_macrorhynchus,Grampus_griseus)))))))))));