List of fossiliferous stratigraphic units in Kansas
# List of fossiliferous stratigraphic units in Kansas

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

## Sites

| Group or Formation | Period |
| - | - |
| Admire Formation | Carboniferous |
| Admire Group/Falls City Limestone | Carboniferous |
| Admire Group/Janesville Shale | Carboniferous |
| Admire Group/Onaga Shale | Carboniferous |
| Altamont Formation | Carboniferous |
| Americus Formation | Carboniferous |
| Ballard Formation | Pleistocene |
| Beattie Formation | Permian |
| Belleville Formation | |
| Belvidere Formation | Cretaceous |
| Boone Formation | Carboniferous |
| Bronson Group/Hertha Formation | Carboniferous |
| Carlile Shale | Cretaceous |
| Cass Limestone | |
| Chase Formation | Permian |
| Chase Group/Barneston Limestone | Permian |
| Chase Group/Funston Limestone | Permian |
| Chase Group/Matfield Shale | Permian |
| Chase Group/Speiser Shale | Permian |
| Chase Group/Winfield Formation | Permian |
| Chase Group/Wreford Limestone | Permian |
| Cherokee Shale | Carboniferous |
| Cherokee Group/Cabaniss Formation | Carboniferous |
| Cherokee Group/Riverton Coal Formation | Carboniferous |
| Cheyenne Sandstone | Cretaceous |
| Coffeyville Formation | Carboniferous |
| Collier Shale | Cambrian |
| Colorado Group/Carlile Shale | Cretaceous |
| Colorado Group/Graneros Shale | Cretaceous |
| Colorado Group/Greenhorn Limestone | Cretaceous |
| Colorado Group/Niobrara Formation | Cretaceous |
| Comanche Formation | Cretaceous |
| Comanche Group/Kiowa Shale | Cretaceous |
| Cottonwood Limestone | Permian |
| Council Grove Group/Beattie Formation | Permian |
| Council Grove Group/Crouse Formation | Permian |
| Council Grove Group/Eskridge Shale | Permian |
| Council Grove Group/Foraker Formation | Permian, Carboniferous |
| Council Grove Group/Grenola Formation | Permian |
| Council Grove Group/Johnson Shale | Carboniferous |
| Council Grove Group/Red Eagle Formation | Permian, Carboniferous |
| Council Grove Group/Roca Shale | Permian |
| Crooked Creek Formation | |
| Crouse Formation | Permian |
| Dakota Formation | Cretaceous |
| Dennis Formation | Carboniferous |
| Dewey Formation | Carboniferous |
| Douglas Group/Stranger Formation | |
| Eiss Formation | Permian |
| Elmdale Formation | Carboniferous |
| Eskridge Shale | Permian |
| Falls City Limestone | |
| Fencepost limestone bed | Cretaceous |
| Florena Formation | Permian |
| Foraker Formation | Carboniferous |
| Fort Hays Limestone Member | Cretaceous |
| Fort Riley Formation | Permian |
| Fort Scott Limestone | Carboniferous |
| Garrison Formation | Permian |
| Greenhorn Limestone | Cretaceous |
| Grenola Formation | Permian |
| Grenola Limestone | Permian |
| Hale Formation | Carboniferous |
| Hartford Limestone | Carboniferous |
| Havensville Formation | Permian |
| Hepler Unit | Carboniferous |
| Herington Formation | Permian |
| Hertha Formation | Carboniferous |
| Hollenberg Formation | Permian |
| Howard Formation | Carboniferous |
| Iatan Formation | Carboniferous |
| Iola Formation | Carboniferous |
| Janesville Shale | |
| Kansas City Group/Drum Formation | Carboniferous |
| Kansas City Group/Iola Formation | Carboniferous |
| Kansas City Group/Westerville Formation | Carboniferous |
| Kansas City Group/Wyandotte Formation | Carboniferous |
| Kanwaka Formation | |
| Kingsdown Formation | Pleistocene |
| Kiowa Shale | Cretaceous |
| Lansing Group/Plattsburg Formation | Carboniferous |
| Lansing Group/Stanton Formation | Carboniferous |
| Lansing Group/Vilas Shale | Carboniferous |
| Lawrence Formation/Lawrence Shale | Carboniferous |
| Lost Branch Formation | Carboniferous |
| Marmaton Group/Altamount Formation | Carboniferous |
| Marmaton Group/Fort Scott Formation | Carboniferous |
| McPherson Formation | |
| Meade Formation | |
| Memorial Formation | Carboniferous |
| Montana Group/Pierre Shale | Cretaceous |
| Neva Formation | Permian |
| Niobrara Formation | Cretaceous |
| Nowata Formation | Carboniferous |
| Ochelata Group/Wann Formation | Carboniferous |
| Ogallala Formation | Neogene |
| Oread Formation | Carboniferous |
| Pawnee Formation | Carboniferous |
| Pedee Group/Weston Shale | Carboniferous |
| Pierre Shale | Cretaceous |
| Pierre Shale Group/Sharon Springs Formation | Cretaceous |
| Pillsbury Shale | Carboniferous |
| Plattsburg Formation | Carboniferous |
| Pleasanton Group/Seminole Formation | Carboniferous |
| Red Eagle Formation | Permian |
| Rexroad Formation | Neogene |
| Roca Shale | Permian |
| Root Shale | |
| Sappa Formation | |
| Schroyer Formation | Permian |
| Seminole Formation | Carboniferous |
| Shawnee Group/Calhouns Shale | Carboniferous |
| Shawnee Group/Deer Creek Formation | Carboniferous |
| Shawnee Group/Kanwaka Formation | Carboniferous |
| Shawnee Group/Lecompton Formation | Carboniferous |
| Shawnee Group/Oread Formation | Carboniferous |
| Shawnee Group/Topeka Formation | Carboniferous |
| Smoky Hill Chalk Formation | Cretaceous |
| Speiser Shale | Permian |
| Stanton Formation | Carboniferous |
| Stotler Limestone | Carboniferous |
| Stranger Formation | Carboniferous |
| Sumner Group/Wellington Formation | Permian |
| Sumner Group/Wreford Limestone | Permian |
| Swope Formation | Carboniferous |
| Tacket Formation | Carboniferous |
| Threemile Formation | Permian |
| Topeka Formation | Carboniferous |
| Vanheim Formation | United States |
| Verdigris Formation | Carboniferous |
| Wabaunsee Formation | Carboniferous |
| Wabaunsee Group/Auburn Formation | Carboniferous |
| Wabaunsee Group/Brownville Formation | Carboniferous |
| Wabaunsee Group/Burlingame Formation | Carboniferous |
| Wabaunsee Group/Dover Formation | Carboniferous |
| Wabaunsee Group/Emporia Formation | Carboniferous |
| Wabaunsee Group/Falls City Formation | Carboniferous |
| Wabaunsee Group/Howard Formation | Carboniferous |
| Wabaunsee Group/Pillsbury Formation | Carboniferous |
| Wabaunsee Group/Pillsbury Shale | Carboniferous |
| Wabaunsee Group/Root Shale | Carboniferous |
| Wabaunsee Group/Scranton Formation | Carboniferous |
| Wabaunsee Group/Stotler Formation | Carboniferous |
| Wabaunsee Group/Stotler Limestone | Carboniferous |
| Wabaunsee Group/Tarkio Formation | Carboniferous |
| Wabaunsee Group/Wakarusa Formation | Carboniferous |
| Wabaunsee Group/Wood Siding Formation | Carboniferous |
| Wellington Formation | Permian |
| Winfield Formation | Permian |
| Wood Siding Formation | Carboniferous |
| Wyandotte Formation | Carboniferous |
| Zeandale Limestone | Carboniferous |
