Shasta ground sloth Reference Libraries

The Nothrotheriops, a genus of ground sloths from the Pleistocene , resided in South and North America. Although related to the Megatherium , a much larger and more well-known ground sloth, Nothrotheriops was recently placed in the family Nothrotheriidae.  It migrated from South America about one million years ago. The Nothrotheriops has been found as far north as Alberta, Canada, causing it...

Ground sloths are extinct edentate (Superorder Xenarthra) mammals that are believed to be relatives of tree sloths and three-toed sloths. They may have died out as recently as 1550 in Hispaniola and Cuba, but had long since been extinct on the mainland. The four identified species found in the United States consist of Harlan's Ground Sloth (Paramylodon harlani), Jefferson's Ground Sloth...