These pictures of fossilized plants found in St. Clair, Pennsylvania. They grew in the Pennsylvanian or Late Carboniferous Period. Geologi...

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...