Why Are Tyrannosaurus Rex's Arms So Short? UC Berkeley Paleontology Professor Floats New Forelimb Theory

in which he theorizes that the T. rex’s arms evolved to such tiny lengths to prevent accidental or intentional amputation during T. rex feeding frenzies.Other paleontologists have unearthed evidence that some tyrannosaurids hunted in packs, not singly, as depicted in many paintings and dioramas, according to the Berkeley News report. Padian’s report said since T.

“What if several adult tyrannosaurs converged on a carcass? You have a bunch of massive skulls, with incredibly powerful jaws and teeth, ripping and chomping down flesh and bone right next to you. What if your friend there thinks you’re getting a little too close? They might warn you away by severing your arm,” Padian told Berkeley News. “So, it could be a benefit to reduce the forelimbs, since you’re not using them in predation anyway.”With a 45-foot length and a 5-foot-long skull, a T.

“All of the ideas that have been put forward about this are either untested or impossible because they can’t work,” Padian told Berkeley News. “And none of the hypotheses explain why the arms would get smaller — the best they could do is explain why they would maintain the small size. And in every case, all of the proposed functions would have been much more effective if the arms had not been reduced.

Source: Education Headlines (educationheadlines.net)

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