Zygorhiza_kochii
Aetiocetus_cotylalveus
Eomysticetus_whitmorei
Eubalaena_glacialis
Caperea_marginata
Eschrichtius_robustus
Balaenoptera_physalus
Balaenoptera_acutorostrata
Megaptera_miocaena
Joumocetus_shimizui
Piscobalaena_nana
Cetotherium_rathkii
Isanacetus_laticephalus
Diorocetus_hiatus
Aglaocetus_patulus
Cophocetus_oregonensis
Pelocetus_calvertensis