The Mifflin Formation is a fossil bearing geologic formation in Illinois dating to the Ordovician period.
Mifflin Formation | |
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Stratigraphic range: Ordovician | |
![]() Fossils from the Mifflin Formation (Lee County, Illinois) | |
Type | Formation |
Location | |
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See also
editReferences
edit- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.