Scolecodont fossil from Madison, Indiana (Jefferson County) found in the Whitewater Formation.  This creature existed in the Ordovician Peri...

All images have been magnified with a microscope 40x.  These fossils were found in Madison, Indiana (Jefferson County) located in the southe...

Thanks to reader Shamalama of Pennsylvania, I have obtained my very own Lyme Regis ammonite so now I am happy as clam at high tide (or w...