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单词 ornithomimosaur
释义

ornithomimosaurn.

Brit. /ˌɔːnᵻθə(ʊ)ˈmʌɪməsɔː/, U.S. /ɔrˌnɪθoʊˈmaɪməsɔr/, /ˈˌɔrnəθoʊˈmaɪməsɔr/
Origin: A borrowing from Latin. Etymon: Latin Ornithomimosauria.
Etymology: < scientific Latin Ornithomimosauria, infraorder name (R. Barsbold, 1974: see N. N. Kramarenko et al. Sovmestnaja Sovetsko-Mongol′skaja Paleontol. Eksped. Trudy No. 3. 74) < Ornithomim- (in Ornithomimidae : see ornithomimid adj. and n.) + -o- -o- connective + -sauria (see Sauria n.); compare -saur comb. form.
Palaeontology.
Any member of a mainly Cretaceous group of bipedal theropod dinosaurs (infraorder Ornithomimosauria), including ornithomimids, whose light build, long hindlimbs, and typically toothless, beak-like jaws resemble those of an ostrich.
ΚΠ
1984 Paleontol. Jrnl. 18 ii. 120 The uneven elongation of the metacarpal bones significantly distinguishes Harpymimus from most ornithomimosaurs.
1985 D. Norman Illustr. Encycl. Dinosaurs 44/3 Ornithomimosaur remains are reasonably abundant in late Cretaceous rocks of Western North America and East Asia.
1993 Sci. Amer. July 43/1 The ornithomimosaurs probably originated in Gondwana and spread northward to join the later Cretaceous faunas of North America and Eurasia.
This is a new entry (OED Third Edition, September 2004; most recently modified version published online March 2022).
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n.1984
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