Devonian wood pieces probably from a Callixylon log. They were found in New Albany Shale in Clark County, Indiana. The wood has been coali...

Two pictures of the same fossil that is some type of Aulocystis coral found in Clark County, Indiana. It is from the Devonian Period and I...

The Hadrophyllum orbignyi (Edwards & Haime, 1851) is found in the Speeds Limestone found in Clark County, Indiana. These two fossils ...