List of fossiliferous stratigraphic units in North Dakota

Group or Formation	Period	Notes
Arikaree Formation	Paleogene
Brule Formation	Paleogene
Bullion Creek Formation	Paleogene
Cannonball Formation	Paleogene
Carlise Shale	Cretaceous
Chadron Formation	Paleogene
Colorado Group/Niobrara	Cretaceous
Deadwood Formation	Ordovician
Fox Hills Formation	Cretaceous
Fort Union Formation	Paleogene, Cretaceous
Fort Union Group/Sentinel Butte	Paleogene
Golden Valley Formation	Paleogene
Hell Creek Formation	Cretaceous
Kildeer Formation	Neogene
Lance Formation	Paleogene, Cretaceous
Ludlow Formation	Paleogene
Sentinel Butte Formation	Paleogene
Slope Formation	Paleogene
Stony Mountain Formation	Ordovician
Tongue River Formation	Paleogene
Winnipegosis Formation	Devonian

References

Wikisource has original works on the topic: Paleontology in the United States#North Dakota

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.

Lists of fossiliferous stratigraphic units in the United States

States	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Federal district	Washington, D.C.

Insular areas	American Samoa Guam Northern Mariana Islands Puerto Rico U.S. Virgin Islands

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