Upper Molar Teeth of Megatherium Fossil Skeleton Small 320×294 Medium 640×588 Large 1024×941 Download Tiff Original 2400×2206 | (2.4 MB) Description Illustration showing the upper molar teeth of the megatherium, a giant sloth. The teeth were 7 to 8 inches inside the gums. Keywords Giant Anteater, Giant Anteater Teeth, Giant Sloth, Giant Sloth Teeth, mammal, mammal skeleton, mammals, Megatherium Fossil Upper Molar Skeleton, Megatherium Teeth, skeleton Galleries Mammal Anatomy: Skeleton Source: Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)