| Dinwoody Formation | |
|---|---|
| Stratigraphic range: Induan, ~ | |
 | |
| 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]
- ^ Hofmann, Richard; Hautmann, Michael; Bucher, Hugo (2013). "A New paleoecological look at the Dinwoody Formation (Lower Triassic, Western USA): intrinsic versus extrinsic ycontrols on ecosystem recovery after the end-Permian mass extinction" (PDF). Journal of Paleontology. 87 (5): 854–880. Bibcode:2013JPal...87..854H. doi:10.1666/12-153. S2CID 130380562.