A meat-eating dinosaur that was one of the last to walk Earth replaced its teeth as often as modern sharks do, scientists have discovered. Majungasaurus, which lived between 66 and 70 million years ...

Spinosaurid dinosaurs were able to develop up to three generations of teeth at the same time, a high replacement rate that explains why so many teeth of this type have been found in Cretaceous sites.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK — A species of carnivorous dinosaur ...

Dinosaurs may have gone extinct 65 million years ago thanks to a massive asteroid impact, but one of the last species on the planet had something in common with one of today's most fearsome creatures ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast.

The first 3D reconstructions of extinct Cretaceous birds reveal a reptilian tooth replacement pattern. The birds flapping around in the Age of Dinosaurs had all sorts of different teeth in their ...

The speed at which spinosaurid dinosaur teeth were replaced accounts for their overabundance in Cretaceous sites This has been confirmed by a study in which researchers from the UPV/EHU are taking ...

A species of carnivorous dinosaur that once roamed Madagascar 70 million years ago was so tough on its teeth that they needed to be replaced frequently, according to a new study. Majungasaurus had to ...