Plateosaurus

Mastodon, MAS tuh don, was an animal much like the elephant. It is now extinct. Mastodons first lived in North Africa about 40 million years ago.… See more » Velociraptor, vuh los uh RAP tuhr, was a quick, fierce meat-eating dinosaur. It lived about 80 million years ago in what is now Mongolia and… See more » Camptosaurus, KAMP tuh sawr uhs, was a relatively large plant-eating dinosaur from what are now North America and Europe. It lived about 154… See more »