| Wann Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Fossil from the Wann Formation (Oklahoma) | |
| Type | Formation |
| Unit of | Ochelata Group |
| Sub-units | Copan Member, Hogshooter Limestone |
| Location | |
| Region | Kansas, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Wann, Nowata County, Oklahoma |
| Named by | Daniel Webster Ohern, 1910 [1] |
The Wann Formation is a geologic formation in Kansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.