Images are of a Phacelocrinus longidactylus (McChesney, 1860) crinoid calyx fossil the dark mass on the calyx is a Platyceras snail fossil...

  Images are of a Dasciocrinus (Kirk, 1939) crinoid calyx fossil. It was found in the Glen Dean Formation of Grayson County, Kentucky USA. T...

This picture is of a Dallinella occidentalis (Dall, 1871) modern brachiopod. It was found in Minnesota USA. I cannot find this specimen in t...