Here is a Silurian fossil crinoid stem section of the Eucalyptocrinus . Fossil was found in the Waldron Shale of Clark County, Indiana, US...

Picture of a crushed crinoid fossil calyx with a long section of stem in Mississippian age rock found in southern Indiana, USA.

Picture of a crinoid fossil calyx with some of the arms and anal tube visible. Found in Mississippian age rock in southern Indiana, USA.