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sauropod |
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sauropodAny species of four-legged, herbivorous, saurischian dinosaur in the suborder Sauropoda. The sauropods include the largest of all dinosaurs and the largest land animals that ever lived. They existed from the Late Triassic Epoch into the Cretaceous Period (227–65 million years ago). All species had a small head, extremely long neck, massive body, thick, pillarlike legs, and a very long, tapering, whiplike tail. With their weak, sparse teeth, they cropped vegetation from even the tallest trees, apparently depending on swallowed stones or bacteria in the gut to digest plant matter. Species ranged from 50 ft (15 m) long to the 98-ft (30-m) Brachiosaurus, which weighed 80 metric tons. See also Brontosaurus; Diplodocus; theropod. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Sauropod dinosaurs, the group of herbivores that included the largest land animals that ever lived, are renowned for their incredibly long necks. The teeth, says Chiappe, hint that these dinos were titanosaurs, the only sauropod dinosaurs alive at the end of the Cretaceous period, about 65 million years ago--when dinosaurs suddenly became extinct. Titanosaurs form one group of sauropod dinosaurs, the massive, four-legged plant eaters that had long necks and tails. |
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