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Giant Tyrannosaur Discovered in North America Is The Largest of Its Era

A giant tyrannosaur in the late Cretaceous, 74-75 million years ago. (Chase Stone) A new analysis of a shinbone from the oldest known giant tyrannosaur in North America suggests that the 'king of ...
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Largest T. rex ever found has new lair in Chicago

A dinosaur named Sue, the largest and most intact T. rex ever found, has a new lair at the Field Museum of Natural History in Chicago. (Dec. 18) ...