camarasaur
[ kam-er-uh-sawr ]
/ ˈkæm ər əˌsɔr /
noun
a plant-eating sauropod dinosaur of the genus Camarasaurus and closely related genera, having a small head, long neck, and short forelimbs, and reaching a length of 40 feet (12.2 meters); until 1981 the type specimen of Brontosaurus excelcus was wrongly reconstructed with a Camarasaurus skull.