Allosaurus

Allosaurus fragilis was a species of carnivourus theropod dinosaur from the late jurassic period, 155 to 145 mya in the USA. Allosaurus was one of the largest theropods of it's timme at 8.5 to 9.7 metres long and weighed 2.3 tons,it was also an apex predator. Allosaurus hunted many creatures from the late jurassic including Stegosaurus, a mid sized hrbivore that lived at the same time. Allosaurus had a relatively weak bite force compared to it's size so it used a hunting tactic known as a hatchet.

Trivia

 * Allosaurus averaged lengths of up to 9.5 metres long but could reach 12 metres at maximum.
 * Allosaurus bite, although was relatively weak was still twice that of an alligator.
 * Allosaurus could run at speeds of up to 30 to 55 kph.
 * Allosaurus was the third largest theropod of it's time.
 * Allosaurus was probably the most common theropod of it's time.
 * originally the series wanted to represent an allosaur called creosaurus, however this is an invalid genus and it belongs to the genus Allosaurus now.