| 单词 |
cotylosaurian |
| 释义 |
cotylosaurian, a. and n. Palaeontol.
Brit. |kəˌtʌɪləˈsɔːrɪən|, U.S. |kəˌtaɪləˈsɔriən|
[‹ scientific Latin Cotylosauria, order name (E. D. Cope 1880, in Amer. Naturalist 14 304; > comb. form) + -sauria: see Sauria n.) + -an suffix. With use as noun compare slightly earlier cotylosaur n.]
A. adj. Belonging to, characteristic of, or designating the order Cotylosauria of extinct reptiles.
1892Trans. Amer. Philos. Soc. 17 12 Posterior to the supramastoid..in some of the cotylosaurian skulls, is an element which..corresponds to the element present in the fishes, which Cuvier termed the intercalare. 1904Amer. Jrnl. Sci. 167404 The phalangeal formula..of the manus..is amphibian or cotylosaurian. 1977A. Hallam Planet Earth 212 The cotylosaurian and pelycosaurian orders of reptiles were still present [in the middle Permian]. 2003Tissue & Cell 35 375/1 On account of birds and mammals being immediate vertebrate taxa that..split at different times from a common reptilian (cotylosaurian) stock,..shared morphological features would be expected.
B. n. A reptile of the order Cotylosauria; a cotylosaur. Now rare.
1905Proc. Zool. Soc. 214 The other phylum..was probably started by some of the early Cotylosaurians having to stalk insect prey. 1985Science Apr. 19 349/2 Of the extant vertebrates, the chelonid reptiles (turtles and tortoises) are the closest relatives of the cotylosaurians..that gave rise to the avian and mammalian lines of descent. |
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