Any member of the three existing families of aquatic, fin-footed mammals that constitute the suborder Pinnipedia (order Carnivora; see carnivore). They include the Odobenidae (see walrus) and the Phocidae and Otariidae (see seal).
This entry comes from Encyclopædia Britannica Concise.
For the full entry on pinniped, visit Britannica.com.
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