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Fox Hills Formation Fossils
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Mosasaur (marine lizard) tooth, Mosasaurus dekayi, Fox Hills Fm., Emmons Co., height 38 mm. University of North Dakota |
Shark tooth, Squalicorax pristodontus, Fox Hills Fm., Bowman Co., width 21 mm. SLU |
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Bivalve, Tancredia, Fox Hills Fm., Logan Co., width 42 mm. |
Fish ear stone, Vorhisia vulpes, Fox Hills Fm., Logan Co., width 4 mm. |
| North Dakota Geological Survey | Prehistoric Life of North Dakota |
| Page Modified October 10, 2006 |