Saltasaurus was a dinosaur which lived approximately 65 to 80 million years ago during the late Cretaceous Period. It was first discovered in the Salta Province of Argentina and was later named by José Bonaparte and Jaime E. Powell in 1980. The name they chose for this dinosaur—Saltasaurus–refers to where it was found and literally means “lizard from Salta.”
Saltasaurus is a sauropod that is related to Argentinosaurus and Diplodocus. However, it is much, much smaller than these two dinosaurs were. In fact, it was only a fraction of these dinosaur’s size. Saltasaurus was only about 40 feet long and about 10 tons. That is half the length and about 10 percent of the weight of Argentinosaurus.