Heliophyllum sp . horn coral found in the Jeffersonville Limestone (Clark County, Indiana).  It is from the Devonian Period.  

One of my favorite brachiopods to collect right now because of the wide number of swooping curves on its shell. The fossil is the Brevispir...

These images were sent to me by Dave and I believe they are fossils from the Devonian Period Mahantango Formation found at Seven Springs in ...