1.5" Iridescent Nautilus From South Dakota

Iridescent Nautilus From South Dakota #8966

This is a beautiful, iridescent, fossil Nautilus (Eutrephoceras nebrascensis) from the Pierre Shale of South Dakota. It has been prepared free of the hard concretion it was found in, and stands on it's own.

More about ammonites

What Is The Largest Ammonite Ever Found?

SPECIES

Eutrephoceras nebrascensis

AGE

Late Cretaceous - Upper Campanian Stage

LOCATION

Meade County, South Dakota

FORMATION

Pierre Shale

SIZE

1.5" across

1.5" Iridescent Nautilus From South Dakota

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