Dasciocrinus florealis Crinoid Calyx Fossil

This crinoid calyx fossil appears to be a Dasciocrinus florealis  (Yandell and Shumard, 1847) found in the Mississippian Period rock of southern Indiana. Scale is in centimeters.

See more examples of this fossil at:

http://www.uky.edu/OtherOrgs/KPS/stratigraphicfauna/sloansvalleymacrofauna/pages/sloansvalleyechinodermata.html