单词 | plesiadapid |
释义 | plesiadapidn.adj. Palaeontology. A. n. A primitive primate belonging to the extinct family Plesiadapidae, known from Palaeocene fossil remains found in North America and Europe. ΘΚΠ the world > animals > mammals > order Primates > [noun] > primate > extinct > extinct types of adapid1910 plesiadapid1930 omomyid1958 plesiadapoid1966 plesiadapiform1976 omomyine1978 1930 Science 26 Dec. 645/1 He [sc. W. D. Matthew] made significant contributions to the classification of mammals and knowledge of phylogeny in nearly all the orders and suborders of mammals, but especially..Insectivora, Rodentia, plesiadapids, lemuroids, [etc.]. 1945 A. S. Romer Vertebr. Paleontol. (ed. 2) xviii. 343 The plesiadapids have been thought to be aberrant lemurs or tree shrews. 1949 W. E. Le Gros Clark Hist. Primates 50 We know little as yet about the limb bones of the plesiadapids. 1963 E. L. Simons in J. Buettner-Janusch Evolutionary & Genetic Biol. Primates I. ii. 79 The anterior teeth of plesiadapids were enlarged and procumbent. 1992 Cambr. Encycl. Human Evol. (1994) vi. i. 200/1 The dental specialisations of all plesiadapids suggest that they were not direct ancestors of later primates. B. adj. Of or relating to the family Plesiadapidae. ΘΚΠ the world > animals > mammals > order Primates > [adjective] > of or relating to extinct or fossil types adapid1921 omomyine1955 omomyid1958 plesiadapid1966 plesiadapoid1974 1966 Evolution 20 430/1 The appearance of ever-growing incisors in a lineage of..plesiadapid primates..some time in the Paleocene may be taken as the arbitrary point of origin of rodents. 1975 Nature 10 Jan. 111/2 Five plesiadapid lineages are known, at least two of which were common to both Europe and North America. 1988 Paleobiology 14 423/1 (caption) Lower M2 Phase I plotted against Phase II for representative Tiffanian through Bridgerian rodent, plesiadapid, carpolestid, and picrodontid species. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.adj.1930 |
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