Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: The skeleton of a Tyrannosaurus rex, the large meat-eating dinosaur that lived in western North America WASHINGTON ...
WASHINGTON, Feb 23 (Reuters) - The dinosaur group called theropods included the largest land meat-eaters ever on Earth - up to the size of a school bus. But there also were theropods the size of a ...
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