| Dolatocrinus sp. Alpena Limestone Alpena, Michigan Size: The crinoid calyx is about 3.5 cm across. Price: $25 US ID number: f1163 | 
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| Dolatocrinus sp. Alpena Limestone Alpena, Michigan Size: The crinoid calyx is about 3.5 cm across. Price: $25 US ID number: f1163 |
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