"Lower jaws are important, but they work together with the jaw closing muscles to support essential functions like feeding and defense. "We are exploring the relationship between skull shape and ...

"Jaw shape evolves particularly fast in ecologically specialised groups, such as burrowing and aquatic species, and in herbivorous lizards." This suggests that innovations in lower jaw morphology ...

and inferring the ancient creatures’ diets based on their jaw shape. But it was while working on this project that Grossnickle came across something that puzzled him. At the back of each side of ...