Family Megalonychidae—Megalonychid Ground Sloths // Family Nothrotheriidae—Nothrotheriid Ground Sloths // Family Mylodontidae—Mylodontid Ground Sloths
Some fossils are obviously of ground sloth but lack characters allowing them to be placed into a family.
Pleistocene:: Yeso Arroyo (Agogino and Stevens 1972).
Mid/Late Rancholabrean: Mesa Redonda (Morgan and Lucas 2005).
Late Wisconsin: McCullum Ranch (Morgan and Lucas 2005).
Literature. Agogino and Stevens 1972; Morgan and Lucas 2005.
Last Update: 8 Sep 2011