Search results
Results From The WOW.Com Content Network
Aetiocetus is a genus of extinct basal mysticete, or baleen whale that lived , in the Oligocene in the North Pacific ocean, around Japan, Mexico, and Oregon, U.S. It was first described by Douglas Emlong in 1966 and currently contains known four species, A. cotylalveus, A. polydentatus, A. tomitai, and A. weltoni. [1]
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 ranged in size from 3 to 8 metres (10 to 26 ft) long.
Fossils of this whale are found from the Chattian Morawan formation, near Ashoro, of upper Oligocene Hokkaido, Japan (, paleocoordinates [ 1 ] [ 2 ] Ashorocetus eguchii was described based on a partial skull and is named after the type locality and Kenichiro Eguchi of the Ashoro Museum of Paleontology.
The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, the even-toed ungulates. The earliest cetaceans were still hoofed mammals. These early cetaceans became gradually better adapted for swimming than for walking on land, finally evolving into fully marine cetaceans.
Fucaia is an extinct genus of primitive baleen whale belonging to the family Aetiocetidae that is known from Oligocene and latest Eocene marine deposits on Vancouver Island, Canada, the Olympic Peninsula, Washington State, and Oregon.
This category contains all articles pertaining to the extinct baleen whale family Aetiocetidae. Pages in category "Aetiocetidae" The following 8 pages are in this category, out of 8 total.
Willungacetus is an extinct genus of primitive baleen whale of the family Aetiocetidae known from the Oligocene of Australia (at Port Willunga, paleocoordinates 1] [2] It is the oldest-known whale from Australia, [3] and the only aetiocetid whale currently known from the Southern Hemisphere.
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] It was first named by L.S. Russell in 1968, and contains one species, C. sookensis.