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Tag: Raptorex Kriegsteini

dinosaur
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T. Rex in Miniature

The going theory about the Tyrannosaurus rex, in case you didn’t know, had been until very recently that this famous mega-dinosaur sported stumpy little arms as an evolutionary adaptation related to its jumbo body size. Then a fossil of Raptorex kriegsteini—perhaps 1/100th the size of T. rex, its descendant—came along and upended that notion with its own disproportionately puny forelimbs.

Posted on Sep 17, 2009 READ MORE


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