Waldron shale Eucalyptocrinus Crassus Fossil Crinoid holdfast Indiana Usa

Description

Here I'm offering up a nice Eucalyptocrinus holdfast from the Waldron Shale formation of Shelby county, Indiana.  This holdfast sits atop a mat of fenestallid bryozoans it likely encrusted. The holdfast measures in at two inches (~6  cm) long.