Above is a picture of an unidentified cephalopod fossil. This animal existed in the Ordovician Period. It was found in the Clays Ferry Form...

Above is a picture of a  Flexicalymene granulosa  (Foerste,1909) trilobite fossil. This animal existed in the Ordovician Period. It was foun...

This image is of a  Pleuroceras costatum  (Hyatt non Reinecke, 1867) ammonite fossil. The animal existed in the Jurassic Period. Fossil was ...

This image is of an  Eleganticeras elegantulum  (Young & Bird, 1828) ammonite fossil. The animal existed in the Jurassic Period. Fossil ...

This image is of a Harpoceras subplanatum  (Oppel, 1856) ammonite fossil. The animal existed in the Jurassic Period. Fossil was discovered ...