| Eretomocrinus tentor Gilmore City Fm. Gilmore City, Iowa Size: The crinoid crown is about 4.3 cm. Price: $50 US ID number: fs137 | 
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| Eretomocrinus tentor Gilmore City Fm. Gilmore City, Iowa Size: The crinoid crown is about 4.3 cm. Price: $50 US ID number: fs137 |
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