| 单词 |
cotylosaur |
| 释义 |
cotylosaur, n. Palaeontol.
Brit. |kəˈtʌɪləsɔː|, U.S. |kəˈtaɪləˌsɔ(ə)r|
[‹ scientific Latin Cotylosauria, order name (see cotylosaurian adj.): see -saur comb. form. Compare slightly earlier cotylosaurian adj.]
A member of the extinct order Cotylosauria of primitive reptiles, chiefly of the Permian and Triassic periods, which were characterized by short limbs and a rather high, narrow, unfenestrated skull.
1897Cent. Mag. Nov. 17/2 The cotylosaurs of the same era [sc. the Permian] were burrowing lizards with solid skulls. 1907Proc. Zool. Soc. 1051 The development..is traced through the various groups that lie between the Cotylosaurs and the Mammals. 1926R. S. Lull Org. Evol. iii. iii. 499 The central form was doubtless a short-legged, crawling cotylosaur..a slow moving, primitive, probably swamp-dwelling type but potent in evolutionary possibilities. 1977A. Hallam Planet Earth 212 The varied reptile faunas [of the early Permian] fall very largely into two orders; the cotylosaurs..and the pelycosaurs. 2002G. A. Cory in G. A. Cory & R. Gardner Evolutionary Neuroethol. Paul Maclean ii. 12 The ancient mammal-like reptiles of the predinosaur Permian-Triassic periods called therapsids..represent a branching of the ancient reptile line (cotylosaurs). |
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