A Mastodon Tooth Is Discovered in a California Creek

September 12, 2026 · 6:27 pm 1 sources

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• A Mastodon Tooth Is Discovered in a California Creek
  The New York Times · September 12, 2026 18:27
  A researcher surveying a San Mateo County creek stumbled upon a preserved Pacific mastodon molar estimated to be at least 10,000 years old.