# California Scientist Looking for Frogs Finds a 10,000-Year-Old Mastodon Tooth

> **Open Intelligence Dossier** · First detected: 2026-09-15 08:40 UTC · Category: Science

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| IFLScience | "Immaculate" Fossilized Mastodon Tooth Discovered By Surprised Scientists Carrying Out Frog Habitat Survey | [Source Link](https://news.google.com/rss/articles/CBMi0wFBVV95cUxQeTl1WW94SWFUVXhzZ2N5c1J3MDN2cWxXYmJoWFVJNTR5dnlmVkphYkhBM3Rjb3JRU1A3WDBxeVZiMGo4RHFpSVljQ2huZzNPUzA4eHIxOU1SV0hnV2lnUkNqYkd1VURsVzlZbWZBYmdNcm51UmdMazdvcWJXYy0ybXowUi0zdFVXWXh6UlZTMWhOLUFWRGYwUGVvZm1VQ3Y0cFRSYTRfTVF4S2dvbWdMQXJQbFd6XzJxZkRnakZZcUdYOXU2cFFUeTQ3TVVLVjRlaG9j?oc=5) |
| The Guardian | Fossilized 10,000-year-old mastodon tooth found by California scientist | [Source Link](https://news.google.com/rss/articles/CBMipAFBVV95cUxPdjdCRVNrT2RxdWNqWG5fN1NKdzZUUmNCcFVjZkJDRDFIdkFrT3JzYkxDbnRMNUhqcHZkd1FIeUYxQ193S3RLZUlsLVZaMDh2dzZKN1IzcGpfNEQ5SjRYa2pmemY5WWdQV2NaNVA0Y0RkTFJpeGs3Q1JvZnpOLTJjUFg0emthUVJqcFVtdnM0Ml8xZUc3SEM2YTdkR0RHaGhLT3ZnMw?oc=5) |
| The New York Times | A Mastodon Tooth From the Ice Age Is Discovered in a California Creek | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTFB3YlAwNDkydTZkZmI2WkZLM3BZSks0ZTlWNGtHbjZGR0U3RXNIN0xBZjVsT1kwLUpadUdGWTQzdkRuX0dxTUdPZ2lwaWxoQTNJMEdTdzFFYnhNQ09hbkJlSXhvalZhcEJEQkttR1RzMHpWd0pPZzRUVGt6RHhyXzA?oc=5) |
| Yahoo | California Scientist Looking for Frogs Finds a 10,000-Year-Old Mastodon Tooth | [Source Link](https://news.google.com/rss/articles/CBMioAFBVV95cUxNY0V0dkNZZVFBanpGTnNHTDRpYmdaWWltck5sZGFMWkdtY3Q5dlk0cjZPUzQ2OWR3MnZMbWJDZmJRQVdXS0NPS3IwT2w1QzN6MlpGMmxBck02WlkwQmVVaC1PYVdVb1JqaVFmbzNyZFFzeFFYaWREeS1uemFFOW5SalNlT1luU1lWSWlVUEJYa1BabW0xSmxndHgwd3YxanZr?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-15/california-scientist-looking-for-frogs-finds-a-10-000-year-old-mastodon-tooth*