(Dorudon_atrox,((Aetiocetus_cotylalveus,Chonecetus_goedertorum),(Llanocetus_denticrenatus,((((((Aglaocetus_patulus,Isanacetus_laticephalus),(Parietobalaena_palmeri,(Cophocetus_oregonensis,Halicetus_ignotus,Pelocetus_calvertensis)),((Uranocetus_gramensis,(Diorocetus_hiatus,Thinocetus_arthritis)),(Megaptera_novaeangliae,(Balaenoptera_acutorostrata,Balaenoptera_musculus)))),(Mauicetus_parki,ZMT_67)),((Eschrichtius_robustus,(Piscobalaena_nana,(Cetotherium_rathkei,(Metopocetus_durinasus,USNM_182962)))),(Mesocetus_argillarius,Cetotheruim_megalophysum))),(Caperea_marginata,(Balaena_mysticetus,Eubalaena_glacialis))),(Eomysticetus_whitmorei,Mauicetus_lophocephalus)))));