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The Tyrannosaurus rex (T. rex) has always been portrayed with its razor-sharp teeth jutting out of its jaw. They are visible even when its mouth is closed. The depiction is based on its closest relative - the crocodile. Also, scientists assumed that the dinosaur's teeth, which grew up to six inches long, were too large to fit inside its mouth.
A new study suggests that the Tyrannosaurus rex and other dinosaurs may have had lips that mostly covered their teeth.
NEW YORK (AP) — The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in “Jurassic Park.” But new research suggests that this classic image might be wrong.
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Tyrannosaurus rex teeth may not have stuck out, as previously thought
An Auburn University professor, in collaboration with an international team of researchers, has determined that theropod dinosaurs, like the famed Tyrannosaurus rex that once roamed what is now the northwest