单词 | pinnipedia |
释义 | Pinnipedian. Zoology. With plural agreement. An order or suborder of amphibious carnivorous mammals comprising the seals, sea lions, and walruses, which have the limbs modified as flippers for swimming but which breed on land.The Pinnipedia have frequently been regarded as a subdivision of the order Carnivora, and they are so treated in some of the most recent schemes (in which the group is renamed as either Phocoidea or Pinnipedimorpha). ΘΚΠ the world > animals > mammals > group Unguiculata or clawed mammal > order Pinnipedia (seal, sea lion, or walrus) > [noun] > member of sea-wolfc1550 pinniped1842 Pinnipedia1857 pinnigrade1862 slimskin1884 1825 R. Harlan Fauna Americana 102 Family Carnivora. First Tribe Plantigrada... Tribe. Carnivorous Amphibious Animals. (Carnivora pinnipedia.)] 1857 S. F. Baird Gen. Rep. Zool. I: Mammals (U.S. War Dept.: Rep. Explor. Route to Pacific VIII) 1 The same may be said of the Pinnipedia and Cetacea. 1868 Proc. Zool. Soc. 406 The craniological characteristics of the northern Pinnipedia..are now very satisfactorily determined. 1885 Athenæum 3 Jan. 20/3 The view that the Pinnipedia were evolved from some arctoid, probably ursine, form of land Carnivora. 1924 Science 2 May 401/1 No mention is made of the true oceanic mammals.., although the seals and manatees (Pinnipedia and Sirenia) are included. 1963 Evolution 17 107/2 An apparently sudden..speeding of evolutionary rates in the Pinnipedia was associated with this expansion of the cold-water environment. 2000 C. Tudge Variety of Life ii. xviii. 453 The modern Pinnipedia—the seals, sealions, and walruses—are conventionally separated off as a suborder of the Carnivora. This is a new entry (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1857 |
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