Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae [1] that lived in the Oligocene period. [2] Its fossils have been found in Canada, [3] in the northeast Pacific. [4] …

Dec 14, 2012 · Chonecetus is a whale genus that is usually attributed to the Aetiocetidae a group of primitive ancestors of Baleen whales.‭ ‬There has however been speculation that Chonecetus …

Aetiocetidae is an extinct family of toothed baleen whales known from the Oligocene and latest Eocene, so far only from rocks deposited in the North Pacific Ocean. [3][4][5] The whales …

We describe four new species of aetiocetids in three genera from the Late Oligocene Morawan Formation near Ashoro, Hokkaido, Japan. The most primitive, Ashorocetus eguchii Barnes …

Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae that lived in the Oligocene period. Its fossils have been found in Canada, in the northeast Pacific. It was …

Aetiocetus is a genus of extinct basal mysticete, or baleen whale that lived 33.9 to 23.03 million years ago, in the Oligocene in the North Pacific ocean, around Japan, Mexico, and Oregon, U.S.

Chonecetus sookensis, new genus and species, is based on an incomplete skull and parts of four vertebrae. It has a relatively elongate, tapering brain case, and a semicircular, depressed …

Here it nests basal to odontocete whales like Aetiocetus and Chonecetus. The archaeocete teeth were considered the first stage in filter-feeding. Here they are relics from an archaeocete …

Chonecetus sookensis are based on somewhat more complete, but still highly fragmentary crania having lost their rostra, most or all of the ear bones and much of the (basicranial) surface

Jan 30, 2025 · Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae that lived in the Oligocene period. Its fossils have been found in Canada, in the northeast Pacific.