Stegosaurus is a genus of armored dinosaur, with large bone plates along its neck, back and tail. ... Like most plant-eating dinosaurs, it had no teeth in the front of its mouth, but only a beak. On the sides of the jaws it had tiny, palm-shaped cheek teeth for chewing soft vegetation.
What kind of teeth did the Stegosaurus have?
Stegosaurian teeth were small, triangular, and flat; wear facets show that they did grind their food. Despite the animal's overall size, the braincase of Stegosaurus was small, being no larger than that of a dog.
Can a Stegosaurus chew?
Given its weak jaws, Stegosaurus would have had to rely on soft, fast-growing plants; it is fantastic to think that this large dinosaur could have survived on such a diet! ... It probably did not chew its food to any great degree, but instead sliced through soft plants before swallowing.