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1.6" Fossil Nautilus (Eutrephoceras) in Limestone - South Dakota

Fossil Nautilus (Eutrephoceras) in Limestone - South Dakota #86215

This is a beautiful, 1.6" wide fossil Nautilus (Eutrephoceras nebrascensis) from the Pierre Shale of South Dakota. It has been prepared free of the hard concretion it was found in, with a small portion still connected with the rock, allowing for aesthetic presentation.

More about ammonites

What Is The Largest Ammonite Ever Found?

SPECIES

Eutrephoceras nebrascensis

AGE

Late Cretaceous - Upper Campanian Stage

LOCATION

Garfield County, South Dakota

FORMATION

Pierre Shale

SIZE

1.6" wide

CATEGORY

Ammonite Fossils

SUB CATEGORY

South Dakota Ammonites

ITEM

#86215

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