This therapod had a pair of bony
ridges above its eyes and a horn on its snout. These were probably
used by males when fighting for a mate. Ceratosaurus was
an active predator and had massive jaws and a hand with four
fingers, unlike Allosaurus, who had three.
- 156 - 145 MYA, Late Jurassic.
- USA Colorado, Utah, Wyoming
Africa - Tanzania (Mtwara).
- Carnivore (meat eater)
Up to 20ft (6m) long.
- 1 US ton.