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