‘Spectacular’ Fossilized Mastodon Tooth Found in San Mateo County Preserve

Scientist stumbles across massive ancient tooth while surveying a San Mateo County preserve

A scientist surveying a San Mateo County creek accidentally discovered an ancient Ice Age molar while working to improve the habitat for a threatened frog.

‘Immaculate condition:’ Rare mastodon fossil found in San Mateo County creek

A well-preserved mastodon molar found in a San Mateo County creek offers rare insights into Bay Area Ice Age history.

‘Spectacular’ fossilized mastodon tooth found in San Mateo County preserve

A molar from an ancient Pacific mastodon was discovered in a San Mateo County open-space preserve during fieldwork for a habitat restoration project, the Midpeninsula Regional Open Space District announced Sept. 9. The fossil is estimated to be 10,000 years old.  “It’s the most complete mastodon molar from our area, and the most spectacular mastodon […]

An 'immaculate' molar: Fossilized mastodon tooth found in San Mateo County creek bed

A fossil of an intact molar belonging to a Pacific mastodon, a tusked mammal that went extinct almost 12,000 years ago, was recently discovered in a dry creek bed in San Mateo County. A geomorphologist found the fossil by accident while conducting field research for a different project at a nature preserve in the Midpeninsula […]

Mastodon Tooth Found in San Mateo County Creek Bed

A fossilized Pacific mastodon tooth was found this summer in a San Mateo County creek bed and is now headed to Stanford for study.