Dalmanites trilobite fossil pygidium of the Birdsong Formation found in Benton County, Tennessee.  This trilobite existed in the Lower Dev...

These pictures of maroon colored brachiopods are from the Middle Devonian Period Silver Creek Limestone of Clark County, Indiana.  I believ...

The Falls of the Ohio State Park located on the bank of the Ohio River in Clarksville, Indiana, has an interesting display called Fossil Cl...