Named By: Y. Tanaka & N. Kohno - 2015.
Classification: Chordata, Mamamlia, Carnivora, Pinnipedia, Odobenidae.
Species: A. akamatsui (type).
Size: Possibly about 3 meters long for the holotype.
Known locations: Japan, Hokkaido - Ichibangawa Formation.
Time period: Late Miocene.
Fossil representation: Partial remains.
is an ancient relative of the walrus. Unlike the walrus however,
Archaeodobenus did not have the large tusks that
are the most familiar
feature of the walrus. Instead, Archaeodobenus
slightly enlarged canine teeth, and an overall appearance more
similar to that of a sea lion.
- A New Late Miocene Odobenid (Mammalia: Carnivora) from Hokkaido, Japan Suggests Rapid Diversification of Basal Miocene Odobenids. - PLoS One. - Y. Tanaka & N. Kohno - 2015.