American Mastodon Tooth
American Mastodon Tooth. Miocene/ Pleistocene/ Pliocene. North and Central America. Their teeth were designed to eat woody branches. Mastodons went extinct about 10,000 years ago. They had enormous tusks. A large male could grow up to 2.8 m (9 ft 2 in) in height and weigh 11 tons. Length 23 cm.