Bickmorites Nautiloid Fossil

This fossil appears to be a Bickmorites bickmoreanum nautiloid. It was found in the Silurian aged Louisville Limestone layer of Jefferson County, Kentucky, USA. Cephalopod fossils like this are pretty rate to find in the Louisville area.

Thanks to Kenny for letting me take pictures of it. Note some images have been darken in Photoshop to allow better contrast of chamber lines in fossil. Also fossil has been coated with sealer giving it a wet look.

Here is a link to a picture of one at Yale found in Indiana: http://www.yale.edu/ypmip/taxon/ceph/19158.html

Surface Detail of Arachnophyllum mammillaire Coral Fossil

These images are of the surface details of an Arachnophyllum mammillaire (Owen) colonial coral fossil. It was found in the Louisville Limestone of Jefferson County, Kentucky. The fossil dates to the Middle Silurian Period.

Thanks to Kenny for these pictures.

Eridophyllum archiaci Coral Fossil

This fossil appears to be an Eridophyllum archiaci coral. It was found in Clark County, Indiana USA (Beechwood Formation). It dates to the Middle Devonian Period.

Thanks to Kenny for letting me take pictures of it.