Illustration of a giant ground sloth (Megatherium sp.) mother and young. This was a large mammal that lived from the Miocene through the Pleistocene, from 2 million years ago to 10,000 years ago. It was primarily found in South America. A herbivorous mammal with long curved claws, it was as large as an elephant (up to 6 metres long) and among the largest land mammals of its time.