(Zygorhiza_kochii,(Physeter_catodon,((Aetiocetus_cotylalveus,Eomysticetus_whitmorei),((Morenocetus_parvus,(Balaenella_brachyrhynus,(Eubalaena_spp,(Balaena_mysticetus,Balaenula_astensis)))),((Diorocetus_hiatus,(Pelocetus_calvertensis,((Plesiobalaenoptera_quarantellii,(Balaenoptera_bonaerensis,Megaptera_novaeangliae)),(Eschrichtius_robustus,Megaptera_miocaena)))),(Horopeta_umarere,(Cetotherium_rathkii,(Metopocetus_durinasus,(Piscobalaena_nana,(Caperea_marginata,(Herpetocetus_bramblei,Herpetocetus_transatlanticus,Nannocetus_eremus)))))))))));