Definition of archosaur Archosaur
We found 4 definitions of archosaur from 4 different sources.
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What does archosaur mean?
WordNet
NounPlural: archosaurs |
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| archosaur - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts | ||
| archosaurian, archosaurian reptile | ||
| diapsid, diapsid reptile reptile having a pair of openings in the skull behind each eye | ||
| archosauria, subclass archosauria a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts | ||
| dinosaur any of numerous extinct terrestrial reptiles of the Mesozoic era | ||
| flying reptile, pterosaur an 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 reptile presumably in the common ancestral line to dinosaurs and crocodiles and birds | ||
| ichthyosaur any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs | ||
| plesiosaur, plesiosaurus extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous | ||
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Wiktionary 
- archosaur (Noun)
Any reptile of the taxon Archosauria; includes the extinct dinosaurs, plesiosaurs, pterosaurs and ichthyosaurs and the modern crocodiles.
Wikipedia 
- Archosaurs ("Archosauria") any of various reptiles, including all crocodiles and birds and all descendants of their most recent common ancestor. Archosaurs ("ruling reptiles") are members of a subclass that also includes dinosaurs, the pterosaurs (flying reptiles), and several groups extinct forms, mostly from the Triassic period.
Part of speech
🔤- archosaur, noun, singular of archosaurs.
