Powell Formation
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The Powell Formation or Powell Dolomite is a geologic formation in northern Arkansas, southeast Missouri and Virginia. It contains gastropod, cephalopod, and trilobite fossils dating back to the Ordovician Period.
See also
- List of fossiliferous stratigraphic units in Arkansas
- List of fossiliferous stratigraphic units in Missouri
- List of fossiliferous stratigraphic units in Virginia
- Various Contributors to the Paleobiology Database. .