| 释义 |
mesonychid, n. and a.
Brit. |ˈmɛzəʊˌnʌɪkɪd|, U.S. |ˈmɛzoʊˌnaɪkəd|[see also meso- comb. form.]
Forms: also with capital initial.
[‹ scientific Latin Mesonychidae, family name (E. D. Cope 1875, in Proc. Acad. Nat. Sci. Philadelphia 447) > comb. form + ancient Greek ὄνυξ nail (see onycho- comb. form) + -idae (see -id suffix3).]
A. n. A member of the extinct family Mesonychidae of carnivorous ungulates, known from fossils of the middle to late Palaeocene epoch.
1895I. K. Funk et al. Standard Dict. Eng. Lang. at Meso-, Mesonychid, n. 1901Bull. Amer. Mus. Nat. Hist. 14 36 The only other Mesonychid in which the replacement of the teeth has been observed. 1943Bull. Biogeogr. Soc. Japan 13 11 We know of no Mesonychid in the Chinese continent. 1990M. J. Benton Vertebr. Palaeontol. ix. 265 The largest mammalian meat-eaters in the Palaeocene were..ungulates called mesonychids. 2001National Geographic Nov. 69/2 (caption) Molecular data indicate that hippos—which arose from artiodactyls, not mesonychids—are whales' closest modern kin.
B. adj. Belonging to, characteristic of, or designating the family Mesonychidae.
1895I. K. Funk et al. Standard Dict. Eng. Lang. at Meso-, Mesonychid, a. 1901Bull. Amer. Mus. Nat. Hist. 14 35 The progressive inflection of the angle of the jaw in the Mesonychid phylum is another character of some importance. 1933A. S. Romer Vertebr. Paleontol. xv. 284 (caption) Synoplotherium, a mesonychid creodont. 1995Jrnl. Vertebr. Palaeontol. 9 387 A well-preserved late Paleocene mesonychid skull from Anhui Province in China is described here as a new genus and species, Sinonyx jiashanensis. |