1.7" Ordovician, Nautiloid (Plectoceras) Fossil - Wisconsin

This is a 1.7" wide example of a Middle Ordovician fossil Nautiloid (Plectoceras robertsoni) from Wisconsin. This fossil is part of an old collection from the Grand Detour Formation in Rock County. It's quite unusual to find examples this nice of the species.
DETAILS
SPECIES
Plectoceras robertsoni
LOCATION
Rock County, Wisconsin
FORMATION
Grand Detour Formation
SIZE
Fossil 1.7" across
CATEGORY
ITEM
#173928
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