pinniped

Pinnipeds ("fin-feet", lit. "winged feet") are marine mammals belonging to the former biological suborder Pinnipedia (sometimes now a superfamily) of the order Carnivora. The pinnipeds now fall within the suborder Caniformia and comprise the families Odobenidae (walruses), Otariidae (eared seals, including sea lions and fur seals), and Phocidae (true seals). Recent molecular analysis reveals that the closest living relatives of the pinnipeds are the bears, which was already suspected for some time. An alternative hypothesis held that pinnipeds are polyphyletic, with the true seals derived from otterlike creatures and the walruses and eared seals from bearlike creatures, but the aforementioned molecular study established that the pinnipeds are indeed monophyletic (derived from a common ancestor).
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Noun
1. aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers
(synonym) pinniped mammal, pinnatiped
(hypernym) aquatic mammal
(hyponym) seal
(member-holonym) Pinnipedia, suborder Pinnipedia

(n.)
One of the Pinnipedia; a seal.
  

(n.)
One of the Pinnipedes.
  

pinniped /'piniped/
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DEI PINNIPEDI. PINNIPEDE