List of fossiliferous stratigraphic units in North Dakota

This article contains a list of fossil-bearing stratigraphic units in the state of North Dakota, U.S.

Sites 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

See also

Paleontology in North Dakota

References