Here is a Silurian horn coral found in the Louisville Limestone layer in Louisville, Kentucky. It is called Cystiphyllum granilineatum . ...

This picture was taken of a fossil in the Falls of the Ohio state park (Clarksville, Indiana) display case at the GeoFair 2009 in Cincinnati...

Click on this picture to make it larger. This rock is from Carroll County, Kentucky and is full of Ordovician fossils. It has a lot of Crypt...