This article contains a list of fossil-bearing stratigraphic units in the state of Wisconsin, U.S.
Macrocephalochelys is an extinct genus of turtles in the family Chelydridae. It was first described from a partial skull from the Pliocene found in Ukraine by Piboplichko and Taraschchuk in 1960. It was assigned to the family Chelydridae by R. L. Carroll in 1988 although it had been hypothesised to belong in Chelydridae by Chkhikvadze in 1971.
The Shakopee Formation is a geologic formation in Illinois, Indiana, Wisconsin, and Minnesota. It preserves fossils dating back to the Ordovician period. It is named after the town of Shakopee, Minnesota, where the formation can be seen in bluffs along the Minnesota River
The Racine Dolomite is a geologic formation in Illinois and Wisconsin. It preserves fossils dating back to the Silurian period.
The Dresbach Formation is a geologic formation in Wisconsin. It preserves fossils dating back to the Cambrian period.
The Franconia Formation is a geologic formation in the upper mid-western United States, with outcroppings found in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin. It preserves fossils dating back to the Cambrian period. It was named the Franconia Formation due to the first published documentation of exposures in vicinity of Franconia, Minnesota in the 1897 Ph.D. dissertation by Charles P. Berkley at the University of Minnesota titled Geology of the St. Croix Dalles. The Franconian stratigraphic stage was named after this formation.
The Jordan Sandstone is a geologic formation in Wisconsin. It preserves fossils dating back to the Cambrian period.
The Lake Church Formation is a geologic formation in Wisconsin. It preserves fossils dating back to the Devonian period.
The Fort Atkinson Formation is a geologic formation in Wisconsin. It preserves fossils dating back to the Ordovician period.
The Windrow Formation is a geologic formation in Minnesota named after Windrow Bluff on Fort McCoy, Monroe County, Wisconsin. It preserves fossils dating back to the Cretaceous period.
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