| 释义 |
archosaurian, a. and n. Palæont. and Zool.|ɑːkəʊˈsɔːrɪən|
[f. mod.L. Archosauria (see def.), f. Gr. ἀρχός chief + Sauria n. pl.: see -ian.]
A. adj. Belonging to or characteristic of the subclass Archosauria of reptiles, which includes crocodilians and extinct groups like dinosaurs and pterosaurs.
1888R. Lydekker Catal. Fossil Reptilia Brit. Mus. I. 1 (heading) Archosaurian branch [of Class Reptilia]. 1933A. S. Romer Vertebr. Paleont. viii. 163 The archosaurian bipedal pose. 1977A. Hallam Planet Earth 270 The commonest skull type is diapsid, present not only in lizards and snakes but also in the great group of archosaurian reptiles—the dinosaurs and their ancestors the thecodonts, their relatives the crocodiles and pterosaurs, and their descendants, the birds. 1979Sci. Amer. Oct. 129/1 Of all the archosaurian reptiles only the crocodilians survived, apparently little affected by whatever proved fatal to many other animals.
B. n. = archosaur.
1909in Cent. Dict. Suppl. 1962Parker & Haswell Text-bk. Zool. (ed. 7) II. 498 The archosaurians form an assembly of reptiles which differ widely from the lepidosaurian Eosuchia, Rhynchocephalia, and Squamata. |