Besides finding Halysites in the Silurian layer I also come across segments of a species of horn coral that was huge. This is a smaller seg...

Here is an index fossil for the Silurian Period called a Halysites It was found in central Jefferson County in the state of Kentucky.

Here is a trilobite found by a KYANA Geological Society ( www.kyanageo.org ) member on a field trip some years ago. It is a Trimerus delphi...