Sage Creek (Lower Bridger) (Eocene of the United States)

Also known as MPM 1129

Where: Uinta County, Wyoming (41.2° N, 110.5° W: paleocoordinates 45.2° N, 96.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: lower Member (Bridger Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1976. Mammalian Faunal Zones of the Bridger Middle Eocene. Smithsonian Contributions to Paleobiology 26:1-25 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 16402: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• probably the "Sage Creek Locality" of West 1979 yielding 3183 MPM specimens
see Lillegraven et al. 1981
Mammalia
 Cimolesta - Apatemyidae
Apatemys sp.3 Marsh 1872 eutherian
 Condylarthra - Hyopsodontidae
Hyopsodus paulus4 Leidy 1870 condylarth
MPM 1129
 Theriamorpha - Epoicotheriidae
Tetrapassalus proius n. sp. West 1973 placental
from "Main Quarry" in Bridger B: see West 1973e; said to be "indeterminate" but listed anyway by Gazin
 Artiodactyla - Helohyidae
Helohyus plicodon5 Marsh 1872 even-toed ungulate
 Theriamorpha - Geolabididae
Centetodon bembicophagus2 Lillegraven et al. 1981 placental
MPM 1129; "C. sp. B" of Krishtalka and West 1979
Centetodon pulcher1 Marsh 1872 placental
MPM 1129