I picked up a rock at one of the eastern Louisville Ordovician road cuts that has a number of fossils in it. I thought this small piece was...

Here is a brachiopod fragment from North Vernon formation in Clark County, Indiana. It might be a Mediospirifer from the Devonian period. ...

Here are some images of fossils that are probably Aulaphyllum horn corals from the Devonian period. It was found in north east Jefferson C...