| Scientific Name: Paleonephrops browni | |
| Common Name: lobster | |
 (Click for full-size JPEG) |
Age: Cretaceous (about 85 million years old)  |
| Locality: Montana | |
| Source: Friends of the Geology Museum 1986 | |
| Notes: This specimen is partially excavated from the surrounding matrix. It is about 22 cm (9 in) long. | |
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