List of fossiliferous stratigraphic units in Oklahoma

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

Sites

Group or Formation	Period	Notes
Ada Group/Ada Formation	Carboniferous
Altamont Formation	Carboniferous
Arbuckle Group/Arbuckle Formation	Ordovician
Arbuckle Group/Kindblade Formation	Ordovician
Atoka Formation	Carboniferous
Baldy Hill Formation	Triassic
Barnsdall Formation	Carboniferous
Blaine Formation	Permian
Bloyd Formation	Carboniferous
Boggy Formation	Carboniferous
Bois d'Arc Formation	Devonian
Boone Formation	Carboniferous
Bostwick Formation	Carboniferous
Bromide Formation	Ordovician
Brownstown Formation	Cretaceous
Caney Formation	Carboniferous
Cape Formation	Ordovician
Carey Formation	Carboniferous
Chapman Ranch Formation	Ordovician
Cherokee Shale	Carboniferous
Cherryvale Formation	Carboniferous
Chickasha Formation	Permian
Clarita Formation	Silurian
Coffeyville Formation	Carboniferous
Cotter Formation	Ordovician
Council Grove Group/Beattie Limestone	Permian
Council Grove Group/Foraker Formation	Carboniferous
Council Grove Group/Johnson Formation	Permian
Council Grove Group/Red Eagle Formation	Permian
Council Grove Group/Roca Formation	Permian
Deer Creek Formation	Carboniferous
Deese Formation	Carboniferous
Deese Group/Boggy Formation	Carboniferous
Dennis Formation	Carboniferous
Dewey Formation	Carboniferous
Dog Creek Formation	Permian
Dornick Hills Group/Lake Murray Formation	Carboniferous
Dornick Hills Group/Golf Course Formation	Carboniferous
El Reno Group/Chickasha Formation	Permian
El Reno Group/Duncan Formation	Permian
El Reno Group/Flowerpot Formation	Permian
Enid Formation	Permian
Fayetteville Formation	Carboniferous
Fayetteville Shale	Carboniferous
Flowerpot Formation	Permian
Fort Scott Limestone	Carboniferous
Francis Formation	Carboniferous
Garber Sandstone	Permian
Gene Autry Formation/Gene Autry Shale	Carboniferous
Golf Course Formation	Carboniferous
Grenola Formation	Permian
Haragan Formation	Devonian
Hennessey Formation	Permian
Henryetta Coal Formation	Carboniferous
Henryhouse Formation	Silurian
Hertha Formation	Carboniferous
Hindsville Limestone	Carboniferous
Hogshooter Formation	Carboniferous
Holdenville Formation	Carboniferous
Hunton Formation	Devonian
Iola Formation	Carboniferous
Jefferson City Formation	Ordovician
Johns Valley Formation	Carboniferous
Keel Formation	Ordovician
Kindblade Formation	Ordovician
Krebs Group/Krebs Formation	Carboniferous
Krebs Group/Boggy Formation	Carboniferous
Krebs Group/Hartshorne Formation	Carboniferous
Lake Murray Formation	Carboniferous
Lansing Group/Barnsdall Formation	Carboniferous
Lansing Group/Stanton Formation	Carboniferous
Lansing Group/Vilas Shale	Carboniferous
Laverne Formation	Neogene
Lecompton Formation	Carboniferous
Leonard Series Group/Blaine Formation	Permian
Leonard Series Group/Dog Creek Formation	Permian
Lost Branch Formation	Carboniferous
Marmaton Group/Fort Scott Formation	Carboniferous
Marmaton Group/Oologah Formation	Carboniferous
McCully Formation	Carboniferous
Mesa Rica Sandstone	Cretaceous
Moorefield Formation	Carboniferous
Morrison Formation	Jurassic
Morrow Formation	Carboniferous
Morrow Group/Bloyd Formation	Carboniferous
Nelagoney Formation	Wildhorse
Nelly Bly Formation	Carboniferous
Neva Formation	Permian
Ochelata Group/Wann Formation	Carboniferous
Ogallala Group/Ogallala Formation	Neogene
Ogallala Group/Laverne Formation	Neogene
Ohio Shale	Devonian
Oil Creek Formation	Ordovician
Omadi Formation	Cretaceous
Oolagah Formation	Carboniferous
Oread Formation	Carboniferous
Ozan Formation	Cretaceous
Paluxy Formation	Cretaceous
Parajito Formation	Cretaceous
Pawnee Formation	Carboniferous
Pinetop Formation	Devonian
Pitkin Formation	Carboniferous
Red Eagle Formation	Permian
Redoak Hollow Formation	Carboniferous
Rexroad Formation	Neogene
Sausbee Formation	Carboniferous
Seminole Formation	Carboniferous
Simpson Group/Simpson Formation	Ordovician
Simpson Group/Joins Formation	Ordovician
Simpson Group/McLish Formation	Ordovician
Simpson Group/Oil Creek Formation	Ordovician
Simpson Group/Tulip Creek Formation	Ordovician
Skiatook Group/Nellie Bly Formation	Carboniferous
Skiatook Group/Seminole Formation	Carboniferous
Sloan Canyon Formation	Triassic
St. Joe Formation	Carboniferous
Summerville Formation	Jurassic
Sumner Group/Garber Formation	Permian
Sumner Group/Wellington Formation	Permian
Trinity Group/Antlers Formation	Cretaceous
Viola Formation	Ordovician
Wabaunsee Group/Brownville Formation	United States
Wabaunsee Group/Burlingame Formation	Carboniferous
Wabaunsee Group/Foraker Formation	Carboniferous
Wann Formation	Carboniferous
Wapanucka Formation	Carboniferous
Wapanucka Limestone	Carboniferous
Welden Limestone	Carboniferous
Wellington Formation	Permian
Wetumka Formation	Carboniferous
Wewoka Formation	Carboniferous
Wewoka Shale	Carboniferous
Whitehorse Formation	Permian
Winfield Formation	Permian

See also

• Paleontology in Oklahoma

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
• List of Formations in the National Geologic Map Database