Camarasaurus
Camarasaurus: Profile of a Prehistoric Giant Camarasaurus Camarasaurus (KAM-uh-ruh-SAWR-us; “Chambered Lizard”) is a genus of sauropod dinosaur that roamed North America during the Late Jurassic period, approximately 155 to 145 million years ago. Its name refers to the hollow chambers found in its vertebrae (backbones), which helped reduce its weight. Fossils of Camarasaurus are among […]