# Two teeth found in a Thai coal mine reveal a giant ancient rodent that weighed almost seventy pounds

Source: [Earth.com](https://www.earth.com/animals/giant-rodent-yakamys-thailand-teeth-coal-mine/) · 2026-11-10 · Earth & Climate
Page: https://themorning.science/story/two-teeth-found-in-a-thai-coal-mine-reveal-a-giant-ancient-rodent-that-weighed-a-5942a33dcc9e7c7d
Kind: research · Impact: low

## In brief

- Two fossil teeth were found in a clay band inside the main coal seam of the Krabi lignite mine in southern Thailand.
- A Thai-French expedition between Thailand's Department of Mineral Resources and French research institutions collected the teeth.
- The teeth belong to a giant ancient rodent reported to have weighed almost seventy pounds.

## Why it matters

The find adds to the fossil record of large rodents from Southeast Asia, based on only two teeth recovered from a coal mine.

## Coverage

- [Two teeth found in a Thai coal mine reveal a giant ancient rodent that weighed almost seventy pounds](https://www.earth.com/animals/giant-rodent-yakamys-thailand-teeth-coal-mine/) — Earth.com, 2026-11-10

Tags: paleontology, fossils, rodents, thailand, coal mining

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science