Potosi Dolomite Explained

Potosi Formation
Type:	Formation
Age:	Cambrian
Period:	Cambrian
Region:	Illinois, Indiana, Missouri
Country:	United States
Coordinates:	38.0917°N -90.6852°W
Underlies:	Eminence Dolomite and Oneota Dolomite
Overlies:	Davis Formation,^[1] Derby-Doerun Dolomite,^[2] and Franconia Formation

The Potosi Formation is a geologic formation in Missouri, Illinois and Indiana. It preserves fossils dating back to the Cambrian period.

Paleofauna

Monoplacophora

• Gayneoconus

G. echolsi^[3]

See also

• List of fossiliferous stratigraphic units in Missouri
• Paleontology in Missouri

References

• Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021.

Notes and References

1. http://www.indiana.edu/~paleoind/Resources/IndianaStratColumn.pdf General Stratigraphic Column for Paleozoic Rocks in Indiana
2. http://www.dnr.mo.gov/geology/geosrv/ogc/docs/RI-073.pdf Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 229
3. Stinchcomb . Bruce . Angeli . Nicholas . New Cambrian and Lower Ordovician monoplacophorans form the Ozark Uplift, Missouri . Journal of Paleontology . 2002 . 76 . 6 . 965–974. 10.1017/S0022336000057802. 2002JPal...76..965S .