Styracosaurus

Troodon, TROH uh don, was a small, two-legged dinosaur that lived about 76 million to 65 million years ago, during the Late Cretaceous Period.… See more » Deinonychus, dy NON ih kuhs, was a small, meat-eating dinosaur. It grew about 9 feet (2.7 meters) long, stood about 5 feet (1.5 meters) tall, and… See more » Mammoth, MAM uhth, was a prehistoric animal closely related to present-day elephants. Mammoths were huge, lumbering beasts. Some measured more than… See more »