| Detroit River Group | |
| Type: | Group |
| Age: | Devonian |
| Period: | Devonian |
| Region: | Indiana, Michigan and Ohio |
| Country: | United States |
| Subunits: | Lucas Dolomite, Formosa Reef Limestone |
| Underlies: | Dundee Limestone and Traverse Formation |
| Overlies: | Holland Quarry Shale and Wabash Formation |
The Detroit River Group is a geologic group in Michigan and Ohio. It preserves fossils dating back to the Devonian period.