Posongchong Formation
| Posongchong Formation | |
|---|---|
| Stratigraphic range: Pragian | |
| Type | Geological formation |
| Underlies | Pojiao Formation |
| Overlies | Meitan Formation |
| Location | |
| Region | Yunnan |
| Country | China |
The Posongchong Formation is an early Devonian formation from China. It preserves a wide range of plant and fish fossils, many being only known from this formation.