Paleontological and Paleobotanical Museum (Nostimo) teeth of a shark that was 20–25 m long, and a Late Pliocene (3.5 million years old) tooth of an "Anancus arvenensis", a mastodon, an ancient relative of the elephant, which has been recognised here for the first time in the wider area of Western Macedonia. The mastodon which lived in this area was about the same size as a modern elephant, but with longer tusks. Also displayed are some Neolithic tools (from the 4th millennium BC): a fishing weight, and a blade for harvesting crops. Paleontological and Paleobotanical Museum (Nostimo) The Paleontological and Paleobotanical Museum () at Nostimo is
Manis Mastodon Site remains the oldest archaeological site on the Olympic Peninsula in Washington State and one of the oldest in North America. In November 2011, Shirley Manis, daughter of discoverer Emanuel Manis, authored the first and only children's picture book about the Manis Mastodon Site, which includes the most recent research analysis. 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.