This beautiful coral with its circular chambers (corallites) surrounded by different polygons (trigonal, tetragonal, or pentagonal) was f...

One of the well known Devonian Period horn corals, the Heliophyllum sp. fossil is found in the Beechwood Limestone of Clark County, Indi...

The "Orthis" subnodosa brachiopod found in the Waldron Shale of Clark County, Indiana.  This is the only one I have found of t...