| 单词 | archosaur |
| 释义 | archosaur (once / 2363863 pages) n WORD FAMILY archosaur: archosaurs USAGE EXAMPLESSnakes and scaly lizards split from the archosaur before turtles and lack the red oil on their retinas. New York Times(Aug 19, 2016) Threadfin butterflyfish and powder blue tang might dart about one area, while Cretaceous glow-eyed archosaurs and mottled elasmosaurs swoosh through another. Time(Aug 02, 2016) Today's bird genetic data helps scientists begin to reconstruct the common ancestor for all archosaurs, according to one of the papers published in Science. The Verge(Dec 11, 2014) n extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts Syn|Hypo|Hyper archosaurian, archosaurian reptile dinosaur any of numerous extinct terrestrial reptiles of the Mesozoic era flying reptile, pterosauran extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb thecodont, thecodont reptilepresumably in the common ancestral line to dinosaurs and crocodiles and birds ichthyosaurany of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs plesiosaur, plesiosaurusextinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous nothosaurextinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming ornithischian, ornithischian dinosaurherbivorous dinosaur with a pelvis like that of a bird iguanodonmassive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period saurischian, saurischian dinosaurherbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile diplodocusa huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America titanosaur, titanosaurianamphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere argentinosaurhuge herbivorous dinosaur of Cretaceous found in Argentina ground-shaker, seismosaurhuge herbivorous dinosaur of the Cretaceous found in western North America pterodactylextinct flying reptile ichthyosaurusichthyosaurs of the Jurassic Stenopterygius quadrisicissus, stenopterygiusan ichthyosaur of the genus Stenopterygius diapsid, diapsid reptile reptile having a pair of openings in the skull behind each eye |
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