Coelurosauria

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Coelurosauria (coelurosaurs; order Saurischia, suborder Theropoda) Infraorder of carnivorous, bipedal dinosaurs, which were the most persistent of the infraordinal dinosaur groups, extending from Triassic to Cretaceous times. The largest measured about 3m long, although the great majority of these rather slender, agile dinosaurs were much smaller.

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