Allosaurus was extremely common in the Late Jurassic. As its fossils were aplenty, it was among the earliest dinosaurs discovered.

Allosaurus had massive hind legs, strong S-shaped neck, and a huge head with jaws that could accommodate large chunks of meat. Combined with its sharp serrated teeth, heavy arms and three-fingered hands, it hunted the biggest plant-eaters of the time.

Dino Facts

  • Pronounced: al-owe-sore-uss
  • Means: Other lizard
  • Size: 39 ft (12 m)
  • Where: North America (Colorado, Montana, New Mexico, Oklahoma, South Dakota, Utah, Wyoming), Europe (Portugal), Africa (Tanzania)
  • When: Late Jurassic
  • Diet: Carnivorous