Here is an Ordovician horn coral found in eastern Jefferson County, Kentucky. I sliced off the top part that was covered with debris using ...

Here is an Ordovician Period trilobite called Flexicalymene from the Mt. Washington area in Kentucky. It is approximately 2 cm in length a...

I found this on an exposed rock face in northern Nashville, Tennessee about 40 cm from a Halysite chain coral. This index fossil would date...