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Pterosaur |
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| The pterosaurs were the first noninsect animals to develop flapping flight. Some evidence suggests that pterosaurs were partially warm-blooded. Pterosaurs flew in prehistoric skies from the Triassic Period until they became extinct at the end of the Cretaceous Period. | ||||||
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| Dorling Kindersley | ||||||
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| Appears in these articles: | ||||||
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| Dinosaur; Pterosaur; Archosaur; Paleontology | ||||||
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