The following are images of Lower Carboniferous Period (Mississippian) fossils. This first one is a elliptical crinoid columnal segment from maybe a
Platycrinites.

This next image of a crinoid calyx that is probably an
Eretmocrinus.

This next image is of an anal tube of an
Eretmocrinus crinoid.

This might be a holdfast of an unidentified crinoid.

Unknown brachiopod shell half fossil.

A view of Lake Cumberland, Kentucky where these fossils were found in the Fort Payne Formation.