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2.4" Ordovician Oncoceratid (Tripteroceras) Fossil - Wisconsin
This is a 2.4" long example of a Middle Ordovician fossil oncoceratid (Tripteroceras planoconvexum) from Wisconsin. This fossil is part of an old collection from the Grand Detour Formation in Rock County.
It comes with an acrylic display stand.
It comes with an acrylic display stand.
Oncoceratids are curved nautiloid cephalopods that have been identified from the Middle Ordovician up to the Late Silurian. Richardsonoceras is known for having a stronger convex curvature than other cephalopods in the family Oncoceratidae.
SPECIES
Tripteroceras planoconvexum
LOCATION
Rock County, Wisconsin
FORMATION
Grand Detour Formation
SIZE
Fossil 2.4" long
CATEGORY
ITEM
#215197
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