Allosaurus

The king of Jurasic, Allosaurus was one of the most fiercome dinosaurus of late Jurasic. Discovered in 1877 in the Bone Wars. The first fossil wasn't a complete one so it had missunderstandings. First described as a horse vertebre than as another dinosaur, Marsh would be the one who described it as another specie Allosaurus fragilis.

His name means different lizard wich is directed to is unique vertebrae. Allosaurus belongs to the theropod family and it is separated in four kinds: Allosaurus fragile, Allosaurus europaeus, Allosaurus amplus and Allosaurus lucasi. Each of the species has similar construction but different size.

His length was depended on the kind. A.fragile was 9.5 m, A.amplus was 8.5 m and A.lucasi was 7.5 m.It weighted about 1500 kilos. Allosaurus was a killing machine so it had terrible claws and sharp teeth. His hands had three fingers, and the first was used to kill the prey. His teeth were like saw. They reached 10 cm and could be used very well as knives. His diet included sauropods and stegosaurs because they weren't so fast. Allosaurus remains one of the best-knowing dinosaurs and the most dangerous carnivore of his time