Phanocrinus parvaramus Crinoid Calyx Fossil

Phanocrinus parvaramus crinoid calyx fossil found in southern Indiana. This creature lived in the Mississippian Period. Indiana, USA source of some of the best crinoid fossils in the world!

Culmicrinus elegans Crinoid Calyx Fossil

From the Age of Crinoids or the Mississippian Period, this southern Indiana fossil is thought to be a Culmicrinus elegans (Wachsmuth & Springer, 1897). If the state of Indiana had an official state fossil it would probably be some sort of Mississippian Period crinoid.

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