Full Megatherium Fossil Skeleton
A full fossil skeleton of the Megatherium, an elephant sized ground sloth. The animal was extinct during the Pleistocene, and found in Buenos Aires. The shape of the skull suggests that the animal is an ancestor of the sloth and anteater.
Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)
Courtesy the private collection of Roy Winkelman