McGregor Formation

McGregor Formation
McGregor Formation
Stratigraphic range: Ordovician
Type	Formation
Location
Region	Illinois
Country	United States

Last updated June 30, 2025

The McGregor Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

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McGregor Formation

See also

References