| Group or Formation |
Period |
Notes |
| Admire Group/Falls City | Carboniferous | |
| Admire Group/Falls City Limestone | Carboniferous | |
| Admire Group/Janesville Shale | Carboniferous | |
| Admire Group/Onaga Shale | Carboniferous | |
| Admire Group/Towle Shale | Carboniferous | |
| Arikaree Group | Paleogene | |
| Arikaree Group/Coffee Mill Butte Beds | Paleogene | |
| Arikaree Group/Reunion Creek Beds | Paleogene | |
| Arikaree Group/Wildcat Hills Beds | Paleogene | |
| Ash Hollow Formation | Neogene | |
| Barneston Formation | Permian | |
| Box Butte Formation | Neogene | |
| Bronson Group/Dennis Formation | Carboniferous | |
| Brown Siltstone Beds | | |
| Brule Formation | Paleogene | |
| Carlise Shale | Cretaceous | |
| Chadron Formation | Paleogene | |
| Chase Formation | Carboniferous | |
| Council Grove Group/Beattie Formation | Permian | |
| Council Grove Group/Foraker Limestone | Carboniferous | |
| Dakota Formation | Cretaceous | |
| Fall River Sandstone | Cretaceous | |
| Foraker Formation | Carboniferous | |
| Fort Riley Formation | Permian | |
| Gering Formation | Paleogene | |
| Greenhorn Formation | Cretaceous | |
| Harrison Formation | Neogene | |
| Huntsman Shale | Cretaceous | |
| J Sandstone | Cretaceous | |
| Kansas City Group/Dennis Formation | Carboniferous | |
| Kansas City Group/Swope Formation | Carboniferous | |
| Kansas City Group/Swope Limestone | Carboniferous | |
| Kansas City Group/Westerville Formation | Carboniferous | |
| Kanwaka Formation | Carboniferous | |
| Kereford Formation | Carboniferous | |
| Lansing Group | Carboniferous | |
| Lansing Group/Plattsburg Formation | Carboniferous | |
| Lansing Group/Stanton Formation | Carboniferous | |
| Lavaca Flats Beds | | |
| Long Pine Formation | | |
| Loveland Loess | | |
| Lower Harrison Beds | | |
| Marmaton Group/Altamont Limestone | Carboniferous | |
| Marsland Formation | Neogene | |
| Monroe Creek Formation | Paleogene | |
| Montana Group/Pierre Shale | Cretaceous | |
| Neva Formation | Permian | |
| Niobrara Formation | Cretaceous | |
| Ogallala Formation | Neogene | |
| Ogallala Group/Valentine Formation | Neogene | |
| Olcott Formation | Neogene | |
| Onaga Formation | Carboniferous | |
| Oread Formation | Carboniferous | |
| Oreodon Beds | Paleogene | |
| Pierre Shale | Cretaceous | |
| Runningwater Formation | Neogene | |
| Sand Canyon Formation | Neogene | |
| Sappa Formation | | |
| Scotch Grove Formation | Silurian | |
| Severy Shale | Carboniferous | |
| Shawnee Group | Carboniferous | |
| Shawnee Group/Deer Creek Formation | Carboniferous | |
| Shawnee Group/Kanwaka Formation | Carboniferous | |
| Shawnee Group/Lecompton Formation | Carboniferous | |
| Shawnee Group/Oread Formation | Carboniferous | |
| Sheep Creek Formation | Neogene | |
| Skull Creek Shale | Cretaceous | |
| Snake Creek Formation | Neogene | |
| Stanton Formation | Carboniferous | |
| Titanotherium Beds | Paleogene | |
| Upper Harrison Beds | | |
| Valentine Formation | Neogene | |
| Wabaunsee Group/Severy Shale | Carboniferous | |
| Wabaunsee Group/Stotler Formation | Carboniferous | |
| Wabaunsee Group/Wood Siding Formation | Carboniferous | |
| White River Group/Brule Formation | Paleogene | |
| White River Group/Chadron Formation | Paleogene | |
| Winfield Formation | Permian | |
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