This is a exceptional specimen of a rare Fox Hills ammonite, Hoploscaphites spedini from the Fox Hills Formation of SD. Just added to FossilEra.com
This is a stunning, 3D Coroniceras ammonite from Burgundy, France. This large ammonite is nearly a foot wide and has been mounted on a block of matrix to create beautiful display piece. For sale at FossilEra.com
ceras (ammonite from the Cretaceous)
Large Trilobite...PaleoJoe at Penn Dixie last year!