List of fossiliferous stratigraphic units in South Dakota

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

Sites Group or Formation Period Notes Arikaree Formation Neogene Arikaree Group/Turtle Butte Formation Paleogene Ash Hollow Formation Neogene Batesland Formation Neogene Bon Homme Gravel Quaternary Brule Formation Paleogene Carlile Shale Cretaceous Chadron Formation Paleogene Colorado Group/Greenhorn Limestone Cretaceous Colorado Group/Niobrara Formation Cretaceous Deadwood Formation Cambrian Fort Randall Formation Neogene Fort Union Formation Paleogene Fox Hills Formation Cretaceous Greenhorn Formation Cretaceous Greenhorn Limestone Cretaceous Harrison Formation Miocene Hell Creek Formation Cretaceous Inyan Kara Group/Lakota Formation Cretaceous Judith River Formation Cretaceous Lakota Formation Cretaceous Lance Formation Cretaceous Rosebud Beds Neogene Lower Rosebud Beds Neogene Minnelusa Formation Carboniferous Monroe Creek Formation Paleogene Montana Group/Fox Hills Formation Cretaceous Montana Group/Hell Creek Formation Cretaceous Montana Group/Pierre Shale Cretaceous Morrison Formation Jurassic Ogallala Formation Neogene Paha Sapa Limestone Paleogene Pierre Shale Cretaceous Rosebud Formation Neogene, Paleogene Sharps Formation Paleogene Slim Buttes Formation Paleogene Sundance Formation Jurassic Thin Elk Formation Neogene Turtle Butte Formation Paleogene Valentine Formation Neogene White River Formation Paleogene Whitewood Limestone Ordovician

See also

Paleontology in South Dakota

References