"This handout picture released by Argentina's CONICET, taken on March 29, 2013, shows the fossilized remains of a new species of sauropod dinosaur, approximately 83 million years old, in La Invernada, Neuquén province, Argentina. Argentine scientists have found the remains of a new species of sauropod dinosaur, approximately 83 million years old, in the Patagonian province of Neuquen, the state research institute Conicet reported this week. The skeleton of the long-necked herbivore, belonging to the titanosaur group and named Yeneen houssayi, was found in an area known as Cerro Overo La Invernada, a region rich in paleontological remains. The discovery was published in the specialized journal Historical Biology. (Photo by Handout / CONICET / AFP via Getty Images)