Phanocrinus parvaramus crinoid calyx fossil found in southern Indiana. This creature lived in the Mississippian Period. Indiana, USA sour...

From the Age of Crinoids or the Mississippian Period, this southern Indiana fossil is thought to be a Culmicrinus elegans (Wachsmuth ...

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