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.

Heliophyllum venatum Horn Coral with Borings

This horn coral may have been eaten on by gastropods looking at the borings on its outer walls. It is the same fossil shown yesterday found in Louisville, Kentucky. It is a Heliophyllum venatum from the Devonian period.