Why did T. rex have tiny arms? A new study may finally have the answer

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade ...
as.com

Scientists say they may have discovered why T. rex had such small arms: “Evolution doesn’t like to have everything all at once”

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite. For decades, the small arms of Tyrannosaurus rex have been one of ...
Winston-Salem Journal

Small dinosaur raises questions on T. Rex evolution

The new animal, based on a single fossil smuggled out of China and eventually sold to a private collector, has been named Raptorex-- which means "king raptor." It lived 125 million years ago in a lake ...
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Dinosaur fossils found in 1970s are missing link in evolution of T rex

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