Belèn Formation
| Belèn Formation | |
|---|---|
| Stratigraphic range: Pragian - Emsian | |
| Type | Geological formation |
| Underlies | Sicasica Formation |
| Overlies | Vila Vila Formation |
| Location | |
| Region | Altiplano |
| Country | Bolivia |
The Belèn Formation is an early Devonian formation from Bolivia. It preserves a moderately diverse fauna of trilobites, crinoids and a few species of jawed fish, and is equivalent to the Icla Formation further east.