West of Rock Springs Level 2 (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 46.6° N, 92.6° W)

• coordinate based on political unit

When: Wasatch Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1965. Early Eocene mammalian faunas and their environment in the vicinity of the Rock Springs Uplift, Wyoming. Wyoming Geological Association Guidebook 19:171-180 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15892: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• "well below the Tipton Tongue"
early Graybullian?
Mammalia
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse
 Creodonta -
Didelphodus sp. Cope 1882 creodont
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Macroscelidea - Apheliscidae
Haplomylus sp. Matthew 1915 elephant shrew
 Insectivora -
Insectivora indet. Bowdich 1821 insectivoran
 Cimolesta - Pantolestidae
Palaeosinopa sp. Matthew 1901 eutherian