2" Hoploscaphites Nicolletii Ammonite

This is a beautiful Hoploscaphities nicolletii ammonite specimen from the Fox Hills Formation of South Dakota. The hard concretion that it was found in has been meticulously removed using air-scribes to create an aesthetic display which also exposes several clams and gastropod fossils.

These 70 million year old ammonites lived when South Dakota was a shallow inland sea. It was found preserved in a concretion that was split open. It then had to be hand prepared to remove the hard rock surrounding it from the shell, a very time consuming task.
DETAILS
SPECIES
Hoploscaphities nicolletii
LOCATION
Corson County, South Dakota
FORMATION
Fox Hills Formation
SIZE
2" wide
ITEM
#12102
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