So. Dakota Ammonites

Buried Treasure Fossils offers a large selection of top quality Ammonites for sale from Pierre Shale Fm., Pennington, So. Dakota, USA. These So. Dakota ammonites show exceptional external detail including pearly aragonite shell with some rainbow iredescence. Several specimens are still in their original matrix. Exceptional color. Great display and collection piece. Cretaceous age.  Authenticity guaranteed.