CRINOID FOSSIL
With arms, calyx and stem
most likely Platycrinites hemisphericus, Mississippian 
from Crawfordsville area, Indiana
Nicely defined overall with only a .5" break in stem
Delineated calyx, arms and cirri
Shale includes what looks like an imprint of small fern in 
upper left and possibly crinoid cirri in matrix to right of fossil and 
center left edge of matrix
Large specimen - approx. 5" width, 6" length, 1" height
From private collection