presence of baleen is inferred from the fossil record in the skull of Aetiocetus. Aetiocetus is known from both sides of the Pacific Ocean: it was first documented...

baleen of Aetiocetus was arranged in bundles between widely spaced teeth. If true, this combination of baleen and dentition in Aetiocetus would act as...

(Late Oligocene) Janjucetus Mammalodon Borealodon Coronodon (Oligocene) Aetiocetus Ashorocetus Chonecetus Fucaia Morawanocetus Niparajacetus Salishicetus...

†Mioceta? †Piscocetus †Siphonocetus? †Tretulias? †Ulias? †Aetiocetidae Aetiocetus Ashorocetus Chonecetus Fucaia Morawanocetus Willungacetus †Llanocetidae...

Chonecetus and Aetiocetus; Aetiocetus tomitai, the most primitive Aetiocetus discovered; and Aetiocetus polydentatus, the most derived Aetiocetus with a highly...

Aetiocetidae Temporal range: Oligocene PreꞒ Ꞓ O S D C P T J K Pg N Aetiocetus cotylalveus, an early baleen whale from the Late Oligocene of Oregon, pencil...

Parvorder Mysticeti: baleen whales †Coronodon Family †Aetiocetidae †Aetiocetus †Ashorocetus †Chonecetus †Fucaia †Morawanocetus †Willungacetus †Family...

Aetiocetus (Aetiocetidae, Mysticeti cca 27 Ma)...

†Mioceta? †Piscocetus †Siphonocetus? †Tretulias? †Ulias? †Aetiocetidae Aetiocetus Ashorocetus Chonecetus Fucaia Morawanocetus Willungacetus †Llanocetidae...

†Mioceta? †Piscocetus †Siphonocetus? †Tretulias? †Ulias? †Aetiocetidae Aetiocetus Ashorocetus Chonecetus Fucaia Morawanocetus Willungacetus †Llanocetidae...