Jaw jaw

Edmontosaurus is a very efficient eater -its well-adapted jaws can chew through just about anything. They are hinged so they can move both up and down and side to side, allowing the dinosaur to grind up pretty much everything between its cheek teeth. This includes tough bits such as pine needles, which most herbivores have to leave - very handy if you spend a lot of time on the move.

CRETACEOUS

CRETACEOUS

Eoraptor

If you spot Eoraptor there's no point in going any further back in time, because you're at the very start of the dinosaur age!

Bad pet

Eoraptor is a small, speedy carnivore, with a light build and odd, leaf-shaped teeth. Don't get too close, however, as these teeth have a jagged edge and are very sharp. This dinosaur may only be the size of a pet dog, but it's a lot less friendly.

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