''Callorhinus'' is a genus of

sea lion Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short and thick hair, and a big chest and belly. Together with the fur seals, they make up the family Otariidae, eared seals. ...

. It contains the living

northern fur seal The northern fur seal (''Callorhinus ursinus'') is an eared seal found along the north Pacific Ocean, the Bering Sea, and the Sea of Okhotsk. It is the largest member of the fur seal subfamily (Arctocephalinae) and the only living species in the ...

''(Callorhinus ursinus)'' as well as the extinct '' Callorhinus gilmorei'' and an unnamed species, both from the

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

. ''Callorhinus'' may be a sister genus to the extinct giant otariid, '' Thalassoleon''.

References

{{Authority control Carnivoran genera Mammal genera with one living species Eared seals Taxa named by John Edward Gray Mammals described in 1859 Biota of the Temperate Northern Pacific