The Albertosaurus was named in 1905 by Henry Fairfield Osborn, then director of the American Museum of Natural History in New York. Albertosaurus comes from Alberta, Canada, the name was gain because it was found close to the area of the saddle the Red Deer River throughout Alberta. As a tyrannosaurid, Albertosaurus was a bipedal predator with tiny, two-fingered hands and a massive head that had dozens of large, sharp teeth. Albertosaurus sarcophagus mean Alberta lizard flesh eater it also saying that, when they putted it all the bones together, it appear to be a slightly smaller than Tyrannosaur, Tarbosaurus and T-Rex. Also, Albertosaurus was almost identical to its much more famous younger cousin, the Tyrannosaurus rex and both shared strangely stunted extremities. Similarly to the T-rex, Albertosaurus stood on two legs and had a massive skull and jaws, but short arms, each with two claw-like fingers. Albertosaurus was most definitely at the top of its local food chain in his local ecosystem.…show more content… Albertosaurus is a member of the theropod family Tyrannosauridae. There were recovered ffossil of more than 30 individuals, which provide scientists with more detailed knowledge of Albert’s anatomy than is available for most other tyrannosaurus. The discovery was of 26 individuals at one site providing evidence of pack behavior, and by measuring and comparing bone composition, The group seems to be composed of one very old adult, eight adults between 17 and 23 years old, seven sub adults undergoing their rapid growth phases at between 12 and 16 years old, and six juveniles between the ages of 2 and 11 years, who had not yet reached the growth phase. They lived in the Late Cretaceous Period. They could run up to 19mph and their length was up to 9 metres. Also they weighed 2 tons about as much as a
