| Hartshorne Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Underlies | McAlester Formation |
| Overlies | Atoka Formation |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named by | J.A. Taff [1] |
 | This article needs additional citations for verification .(January 2024) |
The Hartshorne Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Gene Autry Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Henryetta Coal Formation is a geologic formation in Oklahoma. It contains fossils dating back to the Carboniferous period.
The Oologah Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Nellie Bly Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Wetumka Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Wewoka Shale is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Boggy Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Bois d'Arc Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Devonian period.
The Cape Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Blaine Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Chickasha Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Roadian stage of the Middle Permian. These include, among others, the dissorophoid temnospondyl Nooxobeia gracilis, the lepospondyl Diplocaulus parvus, and the captorhinid Rothianiscus robusta, initially called Rothia robusta by Olson.
The Dog Creek Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Flowerpot Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Enid Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Hennessey Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Garber Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Whitehorse Formation is a geologic formation in Nebraska and Oklahoma. It preserves fossils dating back to the Permian period.
The Henryhouse Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Silurian period.
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