10 Insanely Large Prehistoric Relatives of Modern-Day Animals
1. Giant Ground Sloth ( The Megatherium was an enormous ground sloth that used to live in different areas of South America. Existing during the early Pliocene period, this elephant-sized ground sloth is sometimes referred to as the giant ground sloth. In fact, is it so gigantic that there are few land mammals to have ever exceeded its size. This beast of a sloth was originally discovered in Argentina back in 1788 but was not officially identified until the next year when it was looked over by the world-famous paleontologist Georges Cuvier. Can you imagine if armadillos of today were still th...