Hexagonaria cincta

Here is a Devonian coral called Hexagonaria cincta found in Jeffersonville Limestone in Jefferson County, Kentucky (Louisville).

Unknown Horn Coral

Here is a Devonian horn coral found in Jefferson County, Kentucky.

Heliophyllum Horn Coral with Attached Bryozoan

Here is a Devonian horn coral called the Heliophyllum that has a bryozoan attached. Notice the bryozoan holdfast to the right of the horn coral.