| Oneonta Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Location | |
| Region |  New York |
| Country |  United States |
The Oneonta Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
It consists of shale, sandstone and conglomerate and is part of the Genesee Group.
