Claggett Shale
| Claggett Shale | |
|---|---|
| Stratigraphic range: Late Cretaceous, | |
| Type | Geological formation | 
| Underlies | Judith River Formation | 
| Location | |
| Region | North America | 
The Claggett Shale is a geological formation in Montana whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.