'Raptorex' was 1/100th the weight of its descendant
(NEWSER) - Paleontologists have unearthed a miniature predecessor of Tyrannosaurus Rex, a finding that may rewrite the origins of the most iconic of dinosaurs. “Raptorex,” discovered in China, has all the distinctive features of a Tyrannosaurus—large head and jaws, long legs, and small arms—but it weighed only 150 pounds. The diminutive beast lived 125 million years ago, 35 million years before the more familiar T. Rex. More»
