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Otarioidea is a superfamily of pinnipeds that includes the families Odobenidae, Otariidae and their stem-relatives. [ 1 ] [ 2 ] In the past when the pinnipeds were considered to be a diphyletic group of marine mammals , a few points of cranial and dental morphology suggested that the otarioids originated from a line of bears . [ 3 ]
An eared seal, otariid, or otary is any member of the marine mammal family Otariidae, one of three groupings of pinnipeds.They comprise 15 extant species in seven genera (another species became extinct in the 1950s) and are commonly known either as sea lions or fur seals, distinct from true seals (phocids) and the walrus ().
Life restoration of Gomphotaria pugnax. Pinnipeds are marine mammals that evolved from arctoid carnivorans that includes seals, eared seals, and walruses.There are 34 recent species of pinnipeds [1] and 102 species of fossil pinnipeds and their stem-relatives (Pinnipedimorpha), collectively referred to as pinnipedimorphs. [2]
Odobenidae and Otariidae are combined into the superfamily Otarioidea, with Phocidae in Phocoidea. Extinct species have also been placed into the three extant families, as well as the extinct family Desmatophocidae, though most extinct species have not been categorized into a subfamily. Nearly one hundred extinct Pinnipedia species have been ...
Otarioidea: Family: Odobenidae Allen, 1880: Genera Odobenus (walrus) (see text for more) Odobenidae is a family of pinnipeds, of which the only extant species is the ...
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.
The earless seals, phocids, or true seals are one of the three main groups of mammals within the seal lineage, Pinnipedia.All true seals are members of the family Phocidae (/ ˈ f oʊ s ɪ d iː /).
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