Dilophosaurus had paired, semi-circular plates that grew on top of its head. It was bipedal (stood on two feet) and extremely fast-moving, running at speeds of up to 17 mph. Their hind legs and feet were armed with very powerful claws and were likely used as weapons and for locomotion.
Name means: “Double-Crested Lizard” Period: Early Jurassic (190 million years ago) Length: 6-7 feet Height: 5 feet Weight: 1,000 pounds Diet: Carnivorous (meat-eating)