Massive Ice Age-Era Mastodon Tooth Found in California Creek

Rare Ice Age tooth discovered in California preserve after thousands of years

A massive fossilized tooth discovered in a California preserve is giving scientists a rare glimpse into the Ice Age and the prehistoric creatures that once roamed the San Francisco Bay Area.

Massive Ice Age-era mastodon tooth found in California creek

What looked like a strange rock in a California creek turned out to be something much older and rarer.

Rare Ice Age mastodon tooth discovered in Bay Area creek

The Midpeninsula Regional Open Space District announced the discovery of an adult mastodon molar, believed to be at least 10,000 years old, in San Mateo County.

Well-preserved mastodon tooth found in a creek: ‘It was just sitting there’

A scientist spotted the fossil while working on a project to protect the threatened California red-legged frog in a preserve.