Wind River Formation
Geologic formation in Wyoming, United States
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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]
| Wind River Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Geological formation |
| Location | |
| Region | Wyoming |
| Country | United States |
Fossil content
Mammals
Apatotheres
| Apatotheres reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Apatemys | A. bellulus | Lost Cabin Member.[2] | Also found in the Willwood Formation.[2] | ||
Cimolestans
| Cimolestans reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Palaeosinopa | P. incerta | Lost Cabin Member.[2] | A pantolestid also known from the Willwood and San Jose formations .[2] | ||
| P. sp. | Lost Cabin Member.[3] | A pantolestid. | |||
Leptictids
| Leptictids reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Palaeictops | P. bicuspis | Lost Cabin Member.[2] | Also known from the Willwood Formation.[2] | ||
Primatomorphs
| 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 | [3] | |||
| Copelemur | C. feretutus | Lysite Member.[3] | "ACM 4326, an isolated right M1".[3] | A notharctine. | |
Rodents
Ungulates
| Ungulates reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Diacodexis | D. secans | AMNH 4899 (left and right P4-M3).[3] | A dichobunid. | ||
Reptiles
Squamates
| Squamates reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ototriton | O. solidus | Lysite Member.[4] | ACM 3539.[4] | A worm lizard. | |
| Protorhineura | P. hatcherii | [4] | A worm lizard also known from the Brule & White River formations. | ||
| Spathorhynchus | S. fossorium | [4] | A worm lizard also known from the Bridger Formation. | ||
Invertebrates
Insects
| Insects reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Phyllocnistis | Near Dubois, Wyoming.[5] | Mine on a leaflet impression of Cedrela.[5] | |||
Plants
| Plants reported from the Wind River Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Cedrela | Near Dubois, Wyoming.[5] | Leaflet impression.[5] | |||
