Here is the brachiopod Athyris fultonensis from the Devonian period. It was found in Clark County, Indiana. Note the expose lophophore or f...

Here is a large brachiopod found in the Jeffersonville Limestone in Clark County, Indiana. It is from the Middle Devonian period and is call...

Here is a brachiopod found in the Devonian layer in Clark County, Indiana. I am guessing the brachiopod could be Mediospirifer sp . wit...