| Erismatopterus levatus Green River Fm. (Lake Gosiute) Sweetwater Co., Wyoming Size: The slab is about 12 X 12 cm. Price: $40 US ID number: f2339 | 
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| Erismatopterus levatus Green River Fm. (Lake Gosiute) Sweetwater Co., Wyoming Size: The slab is about 12 X 12 cm. Price: $40 US ID number: f2339 |
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