| Cyathocrinites nodosus and Agaricocrinus splendens Edwardsville Formation Crawfordsville, Indiana Size: 12 cm for the Cyathocrinites crown. | 
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| Cyathocrinites nodosus and Agaricocrinus splendens Edwardsville Formation Crawfordsville, Indiana Size: 12 cm for the Cyathocrinites crown. |
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