Saltasaurus was a large herbivorous dinosaur that lived during the Late Cretaceous period. It was discovered in Argentina in the 1980s and is one of the most well-known dinosaurs from South America. It was a sauropod, meaning it had a long neck and
From Wikipedia
Saltasaurus is a genus of saltasaurid dinosaur of the Late Cretaceous period of Argentina. Small among sauropods, though still heavy by the standards of modern creatures, Saltasaurus was characterized by a short neck and stubby limbs. It was the first genus of sauropod known to possess armour of bony plates embedded in its skin. Such small bony plates, called osteoderms, have since been found on other titanosaurians.