Sphenodiscus splendens & Hoploscaphites comprimus found together in a
Found in the Fox Hills Formation, upper Maastrichtian Stage, Late Cretaceous of South Dakota
Preparation by LPFOSSILS
Two different ammonites together in a rock full of other sea shells (mostly mussels). Great for anyone starting a fossil collection. The original shell is mostly preserved on the Sphenodiscus while the Hoploscaphites shows its beautiful septal (suture) pattern on its phragmocone.
Ammonite Size: 5" x 2 3/4" x 3 1/4
Ammonite Gender: unsure
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