Camarasaurus Skull cast. Late Jurassic. 155 to 145 MYA. Sauropod. Vegetarian. Camarasaurus could be found in Morrison Formation in Colorado, Wyoming, and Utah; plus, they can be found in the Cleveland-Lloyd Quarry, Central Utah.. Camarasaurus name means "Chambered Lizard" referring to the hollow chambers in its vertebrates. The largest Camarasaurus was 75 ft. long.