A gigantic tooth that once belonged to an ancient mastodon was discovered, lost and then found again over Memorial Day weekend, after a tourist saw and photographed it on a California beach ...

“The mastodon is a distant cousin with the same teeth found in pigs, bears or humans. Over the course of their life, they have 40 teeth but just four, six or eight at a time.

A collector of petrified rocks, Villanueva said he's never found anything before that compares to the seven-pointed tooth, which has been identified as a molar from a mastodon that died at least ...

This May 26, 2023, photo provided by the Jennifer Schuh shows a Mastodon Tooth in the sand at an Aptos, Calif., beach.

A mastodon tooth stands upright in the sand at an Aptos, California, beach. A woman taking a stroll on the beach discovered the mastodon tooth that's at least 5,000 years old. (Jennifer Schuh via AP) ...

The mastodon tooth has large cusps and basins for crushing tree leaves, twigs and other roughage between deep V-shaped grooves. The mammoth tooth is much flatter but has elaborate folds or ridges.

A mastodon jaw was concealed by a plant in a Scotchtown family's yard. Now it's part of Orange County's growing list of fossil finds.

Four friends spending the day exploring a creek in eastern Iowa found a mastodon tooth, according to local NBC affiliate KWWL. On what appeared to be a normal summer day, 11-year-old Chase Redfern ...

This May 26, 2023, photo provided by the Jennifer Schuh shows a Mastodon Tooth in the sand at an Aptos, Calif., beach. (Jennifer Schuh via AP) ...

A 9-year-old Michigan boy stumbled across something – literally – that, it turns out, is a mastodon tooth. “I was walking down at the creek last summer.