| 单词 | cœlurosaur |
| 释义 | cœlurosaur, n. (and a.)|sɪˈljʊərəsɔː(r)|
[ad. mod.L. Cœlurosauria, f. Gr. κοῖλ-ος hollow + uro-2 + Gr. σαῦρ-ος lizard + -ia2.]
Any of a group of small, slenderly built theropod dinosaurs with relatively long forelimbs. Also attrib. or as adj.
1958Amer. Mus. Novitates No. 1901. 1 (heading) Coelurosaur bone casts from the Connecticut Valley Triassic. Ibid. 3. Ammosaurus, commonly designated as a coelurosaur, is probably a prosauropod. 1962E. H. Colbert Dinosaurs iv. 76 The emphasis among coelurosaurs on lightness in weight, agility of movement, and adaptations for the pursuit of small animals enabled these little dinosaurs to continue through the Mesozoic era. 1970Nature 11 Apr. 109/1 Theropods..are usually divided into massive carnosaurs..and smaller slenderly built coelurosaurs. Deinonychus has some carnosaur characters,..some coelurosaur ones..and some unique to itself. 1983Sci. Amer. Jan. 73/2 Beside the nest was the fossilized skeleton of a predatory coelurosaur—a small bipedal carnivorous dinosaur.
Hence cœˌluroˈsaurian a.
1969Arnoldia (Rhodesia) IV. xxviii. 1 (heading) A new coelurosaurian dinosaur from the Forest Sandstone of Rhodesia. 1985Palaeontol. XXVIII. 413 Most of these features were already present in the coelurosaurian dinosaur ancestors of birds. |
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