| Pawnee Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Location | |
| Region | Illinois, Kansas, Oklahoma, Missouri |
| Country | United States |
| Type section | |
| Named for | Pawnee Creek, Bourbon County, Kansas |
| Named by | George C. Swallow, 1866 [1] |
The Pawnee Formation is a geologic formation in Illinois, Kansas, Missouri and Oklahoma. It preserves fossils dating back to the Carboniferous period.