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...

Here is a image of a Cystiphyllum horn coral found in north east Jefferson County, Kentucky. It is from the Middle Devonian period in the ...