If Tyrannosaurus rex is known for anything more than bone-crushing bites, it’s the dinosaur’s tiny arms. Paleontologists have been stumped about the dinosaur’s anatomical quirk for over a century now.
Add Yahoo as a preferred source to see more of our stories on Google. A new species of tiny-armed dinosaur, which was 36ft long, was identified in Argentina. It is the third type of dinosaur to evolve ...
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Bizarre ancient crocodile relative walked on two legs like a dinosaur and had tiny arms
Dinosaurs like tyrannosaurs and velociraptors famously walked on two legs. But they weren’t the only bipedal prehistoric ...
Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across multiple dinosaur groups, stronger skulls and crushing jaws evolved ...
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