# Massive Ice Age-era mastodon tooth found in California creek

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-10 15:29 UTC · Category: Science · Sources: 7 · Current Velocity: 4.63

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| NYT > Science | A Mastodon Tooth Is Discovered in a California Creek | 2026-09-12 18:27 | [Source Link](https://www.nytimes.com/2026/09/12/us/ice-age-mastodon-tooth-bay-area.html) |
| Los Angeles Times | Rare Ice Age mastodon tooth discovered in Bay Area creek | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxOV1JFR1lxZFVkSEpJbk4tZllKd1AtUzg5dlh5WTF2STFnT1BHaFhWMEljYVlZR1ZXZjJIZVp6TndualBQcERMX1NOY0JQZElvMW9RN1RBRUdMSW9LbHRDUEdXa1JWOWFCamQtTW9xbFd3VlR3V3pLaTl5cWNhS3lDSEVKc2dIcTd5U1I2eHZmb3A1Mi1iTFkzMWU5LWNZRlZPQTBNdWt2ZkhTckk4?oc=5) |
| Yahoo | 10,000-year-old mastodon tooth fossil discovered in California creek bed | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxObWFJR25RN3FVQnNBMy1uMzltdVpkTW1MNVBuUHJIWGxaRDlwaDhfc3p0V1prd2wxZ0dudW5UcDhBSmFXYURDRGw3OUJGM1JhUUFjazgzcXg4YjBETUg4a3RLcEhzZV9KeWJ4dXJicWcyQjJMRVJwZTE4Q0VpcnhaR0ZNRUdONTZyM082dw?oc=5) |
| ABC News - Breaking News, Latest News and Videos | 10,000-year-old mastodon tooth fossil discovered in California creek bed | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxQbXZxbXVaeXM5Zy1LaDB0dGptX2tmRDVQQUNWSUtzcUU1X0E5bEhkRjF0RE5yeE9fbUxxYUZ3V1VzUlBIMUZjbTk0RTVkTW9tb3d3bHpqbTI5aEQwUUZlXzA0WHpwNjRJN0RMbnYzZ1R0Vk53M3JReUZRYlE4YUFmalBqZkFDLUpFYUhIY2VEcEtyZzgtWkNIZk84U1l4OHdxSHVUTGctRkRqWXJjMzFJ0gG0AUFVX3lxTE5WWTFMMUhMMGpxc3d2SC1nY3FFeVBGbWRQSGdNOVFiSm9zSWVuUTV2MVFHajBMOGJCMjZXT3h6WlpLb1d6SFlKQ3dZajRqOXJXck1KQ1ZyWmhGX0xEOW1tUmVja1NZQWFtM2VscDlSanFBMzItQ0ZKSlUzcFBIQVkxMjBzQV85dC05MXVxSnhBaFpMUk5TemNTZ044ZWhBR2pYa29) |
| Patch | Scientist Finds Mysterious Tooth In SMC Creek With A Prehistoric Surprise | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxNUmJkWjhkT0ZDYk5mU3VOUGVKSjBWWUVLbUVKcHJGdzNZd1M3ZXZmZjFjWWpkSWdJSmN6Q1ZGcHRLTjdnNXM0TGlmaTB1RGZ4cFB2b2t4VUlVNFVoUkF0M0RQRV9LZzYxUHh6Tk9Ba2NodWFmYjdfazlLNFhtRU5MbmJUb1hkRkZOcWRSb2x2dmZDYjhYSUZ1cXNaeVRXcjDSAcIBQVVfeXFMUC0yTEhyRTFBQmlsaGJDVndSaUM3bDZZU1pBMXMteWJpNEtUTndXX1BiNUluZTNtQTQ0MUc0N1AyVUtmTWxMR1Qxdml3dl92NzhLTi1iYjJ3SzVpOXlGbW91MHpiNDQ2azhoa1g0SVF2ekxQaHk3Vllnc1J1STN5YmdMcENtZW9wZ3F1Q1lpUFZobVBLMVNEMy1oWjFtLUlQeDNRZXRpdkNOUUwzT084RGtlR2V) |
| Local News Matters | An ‘immaculate’ molar: Fossilized mastodon tooth found in San Mateo County creek bed | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMivwFBVV95cUxNc1ZiR3BuN1BvLXdxbUxmczk5cWdsdEZ1b0ZoMlltcFpqY0Zubmd1MHdMaG0yTS1NV0ZfY284bl9tWkgzNVJ4a3p1SVFhVXp0UERaX1JrYXNsNW5BeVJ1RWN4M3lLa0JfM29DX3NGMVk3RHJRMU9hRGo5ejJyUXFCUVg1UkI3VDRra18xYmNDdG94NTZSdEJUQ3VLTGFROW9MZTgwaEJPNnliQTFXeFZIaDZvX3VuTS1sSnNRODlHaw?oc=5) |
| people.com | Scientist Conducting Field Survey to Help Threatened Frog Species Finds Fossilized Tooth from Great Ice Age Instead | 2026-09-10 05:39 | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxNclNBM1BoUFVCVTZ3V2hsZWswLWpTUUZ6NmZSeTc1dHJBWlc5YzAzaXU3emNabW1fTkRPeElvN3dzaFFKVVNXQVAtN1NJcE1tRUdxWlR3Y1JBcmxIOWYxN0tnbmJSSnNoVDNtUXZtb0drd2hqSlpEaWJKMlF5RnJHZ1JlRmRBTmtKQVJsM2lJWkFmMHFPWG10aHZJSHdndkNWSkk3Vm5yTktGN1Ba?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-10/massive-ice-age-era-mastodon-tooth-found-in-california-creek*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*