3.4″ Iridescent Ammonite (Hoploscaphities) Fossil – South Dakota

3.4″ Iridescent Ammonite (Hoploscaphities) Fossil – South Dakota (Item #318823), South Dakota Ammonites for sale. FossilEra your source to quality fossil specimens.
Species: Hoploscaphites sp.
Age: Late Cretaceous – Upper Campanian Stage
Location: South Dakota
Formation: Pierre Shale
Size: Ammonite: 3.4″ wide, Entire Specimen: 4.5 x 3″