This image is of a  Cladoconchus sp.  coral on an unidentified crinoid fossil. It was found in the New Providence Formation (Keokuk) of S...

This image is of an unidentified crinoid calyx fossil plate. It was found in the Keokuk Formation of Scott County Indiana USA. This creat...

This image is of a  Platycrinites hemisphericus crinoid calyx fossil plate. It was found in the Keokuk Formation of Scott County Indiana ...