Mastodon Mastodon Mastodons (Greek: μαστός "breast" and ὀδούς, "tooth") are any species of extinct proboscideans in the genus Mammut (family Mammutidae), distantly related to elephants, that inhabited North and Central America during the late Miocene or late Pliocene up to their extinction at the end of the Pleistocene 10,000 to 11,000 years ago. Mastodons lived in herds and were predominantly forest dwelling animals that fed on a mixed diet obtained by browsing and grazing with a seasonal preference for browsing, similar to living elephants. "M. americanum", the American mastodon, is the youngest and best-known species of the genus. They disappeared from
Manis Mastodon Site Manis Mastodon Site The Manis Mastodon site is a archaeological site on the Olympic Peninsula near Sequim, Washington, United States. During the dig, the remains of an American mastodon was recovered which had a 13,800 year old projectile made of the bone from a different mastodon embedded in its rib. The site was placed on the National Register of Historic Places in 1978. On August 8, 1977, a farmer named Emanuel Manis was digging his property with a backhoe when he found the tusks of an American mastodon. An archaeological excavation led by Dr. Carl Gustafson of Washington State University