Ultra Rare Eretmocrinus with Unique Umbrella Arms

Name: Eretmocrinus granuliferus
Age:  Mississippian
Formation:  Edwardsville Formation
Location:  Crawfordsville, Indiana
Size: Crinoid is 8.5 inches long

Specimen SSC5

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This is a fabulous specimen of a very rare crinoid. This is Eretmocrinus granuliferus from the famous Crawfordsville crinoid beds. This genus of crinoid is characterized by the way the arms expand in width and flatten out near the top like an umbrella - this specimen showcases this feature beautifully. The large crinoid is very inflated and 3-dimensional. The plate structure of the cup is quite detailed, and the finely pinnulated arms are extremely well preserved for this genus. The crinoid has a LONG section of stem still attached, and the LONG anal tube is easily seen protruding from the top of the crown. The sea lily has great color and contrast and is well showcased on the squared block of matrix. This is a spectacular display example of this rare, umbrella-armed crinoid.

A Certificate of Authenticity from EXTINCTIONS is included with this specimen.

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