Tyrannosaurus rex didn't get its ferocious bite until it was an adult - new research

By Andre Rowe, PhD Candidate in Geology, University of Bristol

The Tyrannosaurus rex is one of the most well known of all the dinosaurs, particularly notable for its ferocious jaws.

Adult tyrannosaurs – including the species T. rex – used a “puncture-pull” biting technique, in which they bit down and swallowed chunks of flesh and bone. But, it turns out, young tyrannosaurs didn’t possess the deep jaws necessary to undertake such a bite. Their jaws weren’t equipped to deal with the significant stresses of biting in this way.

In a new study, my colleague Eric Snively of Oklahoma State University and I examined how…

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