3.2" Hoploscaphites Ammonite - South Dakota

These is one fairly good sized Hoploscaphities nicolletii ammonite specimen from the Fox Hills Formation of South Dakota. It's been wonderfully prepared in the hard concretion it was found in.

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.
FOR SALE
$145
DETAILS
SPECIES
Hoploscaphities nicolletii
LOCATION
Corson County, South Dakota
FORMATION
Fox Hills Formation
SIZE
3.2" Wide
CATEGORY
SUB CATEGORY
ITEM
#46864
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