Temporal range: Early Cretaceous
Salgado & Bonaparte, 1991
Amargasaurus was a large herbivorous dinosaur. Amargasaurus is known from an almost complete skeleton (it is missing the front of the skull and the tail). Amargasaurus was found in La Amarga, a canyon in Argentina.
Description[change | edit source]
Amargasaurus was a sauropod from the early Cretaceous period. This plant-eater was about 33 feet (10 m) long and weighed roughly 5000 kg. It had two rows of spines growing out along its backbone along its neck, body, and tail. These spines may have had one or two coverings of skin forming a sail.