| Brothers Peak Formation | |
|---|---|
| Stratigraphic range: Late Campanian- Early Maastrichtian | |
| Type | Formation |
| Location | |
| Region | British Columbia |
| Country | Canada |
The Brothers Peak Formation is a geologic formation in British Columbia. It preserves fossils dating back to the Cretaceous period. An unnamed pachycephalosaurin is known from the formation. [1]