When the skeletal remains of a giant ground sloth were first unearthed in 1796, the discovery marked one of the earliest paleontological finds in American history. The animal, named Megalonyx by ...

the three-toed sloth is related to giant ground sloths, including the elephant-sized Megatherium and pony-sized Megalonyx, which were found in Central and South America around 10,000 years ago.