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Two Ordovician Oncoceratid (Beloitoceras) Fossils - Wisconsin
This is an example of the Middle Ordovician fossil oncoceratid (Beloitoceras plebeium) from Wisconsin. Two fossil oncoceratids can be found within this rock, measuring 2" and 1.6" long. 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
Beloitoceras plebeium
LOCATION
Rock County, Wisconsin
FORMATION
Grand Detour Formation
SIZE
Longest Fossil: 2" long, Entire specimen: 3.45 x 2.1"
CATEGORY
ITEM
#215180
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