These pictures show Phanocrinus parvaramus crinoid calyx fossils. They were found in the Glen Dean Member of Grayson County Kentucky US...

Here is an image of the bottom cup of a Phacelocrinus-longidactylus (McChesney, 1860) crinoid calyx. It existed the the Mississippian Per...

Here is one SWEET find! These pictures show a Zeacrinites wortheni  (Hall, 1858) crinoid calyx fossil. It was found the Glen Dean member o...