Richmond Formation

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Richmond Formation
Stratigraphic range: Ordovician
Flexicalymene meeki caudal.jpg
Fossil from the Richmond Formation (Ohio)
Type Formation
Location
RegionFlag of Michigan.svg  Michigan, Flag of Ohio.svg  Ohio
CountryFlag of the United States.svg  United States

The Richmond Formation is a geologic formation in Michigan and Ohio. It preserves fossils dating back to the Ordovician period.

See also

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References