T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur.

“Preserved blood vessel structures, like we have found in Scotty’s rib bone, appear linked to areas where the bone was ...

With its mouth closed, all of the enormous teeth of T. rex would be invisible behind its lips. CREDIT: Mark P. Witton. Additionally, therapod lips were likely not muscular, as seen in mammals.

Research suggests that contrary to popular belief, the T-rex did not have rows of exposed teeth — it had lips that covered those teeth. Some scientists disagree and insist that the T-rex is lipless.

T. Rex Had Lips That Concealed Its Teeth, Study Says Paleontologists say popular, toothy depictions of the dinosaur may have missed the mark. Alex Chun - Staff Contributor. March 31, 2023.

If so, sorry: Your image of a T. rex with a big, fierce grin with bare teeth may be wrong. The oversized dagger teeth of the T. rex and its relatives were probably completely covered by thin, ...

A replica of SUE, left, the most complete and best-preserved skeleton of a Tyrannosaurus rex, is displayed Tuesday, June 4, 2024, at the St. Louis Science Center.

WASHINGTON, March 30 (Reuters) - They probably did not smile, frown or snarl, but T. rex and its relatives almost certainly had the dinosaur equivalent of lips - a new finding by scientists that ...

The teeth of Tyrannosaurus rex and other predatory dinosaurs would have been hidden behind scaly lips, which they couldn’t even pull back to bare their awesome fangs, contrary to film and TV ...

The teeth of T. rex and its two-legged, three-toed meat-eating kin—known as theropods—were likely covered by thin, scaly lips resembling those of some modern lizards, according to a study ...

Dinosaur Discoveries: T. Rex Teeth. Clip: Season 1 | 1m 1s Video has Closed Captions | CC. Dr. Scott explains the difference between human teeth and T. Rex teeth. Aired 01/24/2012 | Rating TV-Y ...