Definition of archosaur
: any of a subclass (Archosauria) of reptiles comprising the dinosaurs, pterosaurs, and crocodilians
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Recent Examples of archosaur from the Web
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This came as a surprise, Stocker says, and indicates that the more complex, crocodile-type ankle shape was ancestral for archosaurs.
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Looking at the diversity of living and extinct archosaurs –
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Snakes and scaly lizards split from the archosaur before turtles and lack the red oil on their retinas.
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Origin and Etymology of archosaur
New Latin Archosauria, from Greek archōn + sauros lizard
Learn More about archosaur
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See words that rhyme with archosaur Britannica.com: Encyclopedia article about archosaur
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