Using Erwin Stumm's Silurian and Devonian Corals of the Falls of the Ohio from 1964 this coral appears to be an Emmonsia tuberosa (ori...

Here is one of the largest Phacops rana trilobite molts I have found. It is about 4 cm wide. It is quite broken up and has piece of bryoz...

I keep getting announcements for events to post. Just as well, my school work is really picking up as large projects are coming due. So my...