Allosaurus is a genus of large theropod from Allosauridae family. It lived 155-150 million years ago during Late Jurassic. He was found in Morrison Formation in North America as well as in Portugal and Tanzania.
Allosaurus is a lightly build carnivore. The best known Allosaurus Fragilis was nearly 8 meters long and 2.5 tons weight. There are several giants who were attributed to Allosaurus. For example one of them Saurophaganax was nearly 11 meters long and he could be as large as T-rex. Another one Epanderias was nearly 12-13 meters long. Epanderias may be an another individual of Saurophaganax. Allosaurus had an enormous skull had with 30-35 sharped theeth. Its skull was about 1 meter long. He could use it as a hatchet against prey slashing it with his sharp teeth.
The Allosaurus, like most Theropods were not very social and are believed to have been exceptionally reserved. This meant that even interactions with other dinosaurs of their own kind were met with distaste. Some scientists believe that the Allosaurus often wounded members of it’s own clan if any miscommunication or misunderstanding happened. The results of these interactions could often be fatal. Several scientists believe that the Allosaurus may even have scavenged off the remains of other dead or immobilized Allosaurus dinosaurs.
Allosaurus is a lightly build carnivore. The best known Allosaurus Fragilis was nearly 8 meters long and 2.5 tons weight. There are several giants who were attributed to Allosaurus. For example one of them Saurophaganax was nearly 11 meters long and he could be as large as T-rex. Another one Epanderias was nearly 12-13 meters long. Epanderias may be an another individual of Saurophaganax. Allosaurus had an enormous skull had with 30-35 sharped theeth. Its skull was about 1 meter long. He could use it as a hatchet against prey slashing it with his sharp teeth.
The structure of the inner ear was like that of a crocodilian, and so Allosaurus probably could have heard lower frequencies best, and would have had trouble with subtle sounds.
Allosaurus was one of top predators in North America. They were active hunters that probably hunted in packs. Their potential prey were big herbivores like a Brachiosaurus or Stegosaurus. It hadn't good smell so he probably wasn't scavenger.
One of the key differences between the adult and child Allosaur was the huge difference in hind limb length. The hind limbs of a child allosaurus were often considerably longer than the adults which allowed them to move swiftly and catch much smaller and faster types of prey. This would suggest that as the Allosaurus matured it would start hunting larger and stronger prey as it would be incapable of capturing the faster dinosaurs that it might have hunted when younger.
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