Phanocrinus parvaramus Crinoid Calyx Fossils

These pictures show Phanocrinus parvaramus crinoid calyx fossils. They were found in the Glen Dean Member of Grayson County Kentucky USA. The crinoids lived during the Mississippian Period. Thanks to Kenny for images.

Phacelocrinus longidactylus Crinoid Calyx Fossil

Here is an image of the bottom cup of a Phacelocrinus-longidactylus (McChesney, 1860) crinoid calyx. It existed the the Mississippian Period seas. The fossil was found in the Glen Dean member of Grayson County Kentucky USA. Thanks to Kenny for image.

Zeacrinites wortheni Crinoid Calyx Fossil

Here is one SWEET find! These pictures show a Zeacrinites wortheni (Hall, 1858) crinoid calyx fossil. It was found the Glen Dean member of Grayson County Kentucky USA. This crinoid existed in the Mississippian Period seas. Thanks to Kenny for pictures.

Curious about how Zeacrinites was named? Check out this post to learn more: http://louisvillefossils.blogspot.com/2016/01/zeacrinites-wortheni-crinoid-calyx.html