Tyrannosaurus had a fleshy lip. It was covered in scales, the study described – ČT24 – Czech Television
When theropods had their mouths closed, not only were their teeth covered, but when their jaws were open, their teeth were probably only visible at their tips. American paleontologist Thomas Cullen, the author of the study, says that some experts previously believed that these carnivores had teeth too large to fit in their mouths. published …