pinniped

Any of various carnivorous aquatic mammals of the suborder (or superfamily) Pinnipedia, having flippers as organs of locomotion and including the seals and the walrus.

Fin-footed, in any sense; having feet like fins or flippers. Specifically

A member of the Pinnipedes or Pinnipedia: opposed to fissiped.

One of the Pinnipedia; a seal.

One of the Pinnipedes.

Any of various large marine mammals belonging to the superfamily (formerly considered a suborder) Pinnipedia comprising walruses, eared seals and earless seals.

Pertaining to or similar to such a mammal.

aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers