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...

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...

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

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

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

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

Morawan Formation include: Ashorocetus eguchii Morawanocetus yabukii Aetiocetus tomitai A. polydentatus "Fossil Works Morawan Formation". Fossil Works...

period. The following fossils have been reported from the formation: Aetiocetus cotylalveus Maiabalaena nesbittae Simocetus rayi Orthechinorhinus davidae...

†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...

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

indicative of sensitivity to low-frequency sound in Zygorhiza kochii and cf. Aetiocetus, as well as indicative of adaptation to narrow-band high-frequency hearing...

†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...

genus more commonly known to Japan. Morawanocetus is a sister taxa to: Aetiocetus, Ashorocetus, Chonecetus, and Willungacetus. "Morawanocetus". Fossilworks...

in 1991. Fossils discovered by Douglas Emlong include: Marine Mammals: Aetiocetus cotylalveus, an early, toothed relative of baleen whales and evolutionary...

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

Oligocene, the other being M. colliveri, M. hakataramea, Chonecetus, Aetiocetus and Llanocetus. Unlike other baleen whales, Janjucetus did not use baleen...

†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...

†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...

†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...

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

study on the internal neurovascular anatomy of the holotype skull of Aetiocetus weltoni, and on its implications for the knowledge of the teeth to baleen...