Brule Formation Fossils
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Sheep-like mammal skull, Merycoidodon culbertsoni, Brule Fm., Stark Co., width 198 mm. |
Beetle pupal cells, Pallichus dakotensis, Brule Fm., Stark Co., width of largest 20 mm. |
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Terrestrial gastropods, Skinnerelix leidyi, Brule Fm., Stark Co., width of largest 27 mm. |
Tortoise shell, Stylemys nebrascensis, Brule Fm., Stark Co., width 226 mm. |
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| North Dakota Geological Survey | Prehistoric Life of North Dakota |
| Page Modified September 26, 2006 |