| Petrolia Formation | |
| Type: | Formation |
| Age: | Permian |
| Period: | Permian |
| Unitof: | Wichita Group |
| Underlies: | Waggoner Ranch Formation |
| Overlies: | Nocona Formation |
The Petrolia Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.