Location : Western N. America

Camarasaurus was a very heavily built member of the long-necked sauropod family of Jurassic dinosaurs. It is very well known by scientists and recently a family of these large creatures was discovered in the Western U.S. Camarasaurus is also a part of one of paleontology's big mistakes when its head was put on the body of Apatasaurus and called Brontosaurus 

Compared to some of the other sauropods, Camarasaurus had a relatively short neck and tail. It also had a large head compared to other sauropods, but the head was almost hollow. The skull openings for the nose and eyes were very large. This is the most common North American sauropod found, with more than ten fairly complete skeletons unearthed to date. At least four species have been identified within this genus.

Camarasaurus gets its name from the hollow spaces in its neck vertebrae. These would have made the neck lighter and easier for the dinosaur to lift and move about. This dinosaur also had the largest teeth among sauropods.