A mastodon (mastós ‘breast’ + odoús ‘tooth’), are proboscidean beings, that belong to the extinct genus Mammut.
It is believed mastodons may have went extinct around the Neolithic revolution 10,000-12,000 years ago, due to a flood; over hunting; or a combination of factors.
Bibliography: Origin and meaning of mastodon. (n.d.). Etymonline. https://www.etymonline.com/word/mastodon Retrieved Feb 2022