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Fossil crocodile tooth is a first for Wisconsin

A fossilized crocodile tooth found in Wisconsin could be the first evidence that vertebrates lived in the area during the dinosaur era. The species of crocodile can't be determined from just the tooth, but previously no known vertebrates had lived in that ancient period in the state. The find, five miles

Dinosaurs held heads higher than previously thought

Paleontologists have reshaped the sauropod's resting pose after studying the skeletons of living vertebrates. "The diplodocus in the main hall vestibule of the Natural History Museum is in a perfectly good posture," he told BBC News. "It's one within a whole range of movement that would have been entirely possible." But, after

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