Coverage dated September 10, 2026 to September 16, 2026
Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area
Headline from Phys, on the newest of 2 developments
Brigid Lynch was working along a wooded creek in a mountainous part of the San Francisco Bay Area when something that didn't look like the rocks she'd been studying caught her eye. It turned out to be the fossilized tooth of a Pacific mastodon.
Phys's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.
Developments in this update
2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.
Massive Ice Age-era mastodon tooth found in California creek
Headline from WGN Chicago ·
Newest
Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area
What looked like a strange rock in a Bay Area creek turned out to be something much older and rarer. A scientist working in San Mateo County discovered an intact mastodon tooth during a field survey at a Midpeninsula Regional Open Space District preserve, officials said in a news release announcing …
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
A field survey in San Mateo County, California, has revealed the fossilized tooth of an adult Pacific mastodon, an ice-age giant that was probably native to the West Coast.
Brigid Lynch was working along a wooded creek in a mountainous part of the San Francisco Bay Area when something that didn't look like the rocks she'd been studying caught her eye. It turned out to be the fossilized tooth of a Pacific mastodon.
Molar from large mammal that once lived in North America is in ‘immaculate condition’ after discovery in Bay Area A 10,000 year-old tooth in remarkable condition from an ancient Pacific mastodon, a large mammal that once inhabited North America, was recently discovered by a California scientist.
A recent routine field survey in the Bay Area led to a rare and stunning prehistoric discovery of an intact tooth from the ice age. It happened in the Midpeninsula Regional Open Space District (Midpen) preserve in San Mateo County as researchers were surveying creeks focused on the threatened Califo…
Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.
Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area | Since Then
