Pterodactyls are any of a number of genera of flying reptiles of the extinct order Pterosauria,from the Jurassic and Cretaceous periods,having a highly reduced tail and teeth,birdlike beak and a wingspan of 3.3 ft or less. Pterosaurs (winged lizard) were flying reptiles of the order Pterosauria. Pterosaurs are the earliest vertebrates known to have evolved powered flight | |
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