A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits natural iridesence. Note - the shell material is also present at the shell opening. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.
SD09 Size: 2-1/4"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites