| Dinwoody Formation | |
|---|---|
| Stratigraphic range: Induan, ~251.9–250.2 Ma
↓ | |
 | |
| Type | Geological formation |
| Lithology | |
| Primary | Shale, limestone |
| Location | |
| Region | Idaho, Montana, Utah, Wyoming |
| Country |  United States |
  Dinwoody Formation (the United States) | |
The Dinwoody Formation is a geologic formation in the western United States (Idaho, Montana, Utah, Wyoming). It preserves fossils dating back to the Triassic period (Induan stage).[1]
 | This article about a specific stratigraphic formation in Montana is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Triassic period is a stub. You can help Wikipedia by expanding it. |
