| Tesnus Formation | |
| Type: | Formation |
| Age: | Carboniferous |
| Namedfor: | Tesnus, Texas |
| Region: | Texas |
| Country: | United States |
| Underlies: | Dimple Limestone |
| Overlies: | Caballos Novaculite |
The Tesnus Formation is a geologic formation in Texas. It preserves fossils dating back to the Carboniferous period.[1]