Here is a picture of a  Cadoceras sp.  ammonite fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures like...

Here is a picture of a  Parapatoceras sp.  ammonite fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures ...

These pictures depict the trilobite fossils Kanops reymondi . Fossils date to lower Devonian Period. They were found in Coal County, Oklah...