| Deep River Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Region | Montana |
| Country | United States |
The Deep River Formation is a geologic formation in Montana. It preserves fossils dating back to the Neogene period.
| Fauna reported from the Deep River Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Description | Images |
| Mandible, two humeri, femur [1] | ||||||