| Wind River Formation | |
| Type: | Geological formation |
| Age: | Paleogene |
| Period: | Paleogene |
| Region: | Wyoming |
| Country: |  United States |
The Wind River Formation is a geologic formation in Wyoming in the Wind River Basin. It preserves fossils dating back to the Paleogene period. A recent study by Stanford suggests that fracking has contaminated the entire ground water resource in the basin.[1]
| Cimolestans reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Palaeosinopa | P. incerta | Lost Cabin Member. | A pantolestid also known from the Willwood and San Jose formations . | ||
| P. sp. | Lost Cabin Member. | A pantolestid. | |||
| Primatomorphs reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Absarokius | A. sp. | Cottonwood Creek, Lysite Member.[3] | An omomyid. | ||
| Arapajovius | A. cf. gazini | ||||
| Copelemur | C. feretutus | Lysite Member. | "ACM 4326, an isolated right M1". | A notharctine. | |
| Squamates reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ototriton | O. solidus | Lysite Member.[4] | ACM 3539. | A worm lizard. | |
| Protorhineura | P. hatcherii | A worm lizard also known from the Brule & White River formations. | |||
| Spathorhynchus | S. fossorium | A worm lizard also known from the Bridger Formation. | |||