Mouth of Blacks Gulch (Eocene of the United States)

Where: Rio Blanco County, Colorado (40.0° N, 107.9° W: paleocoordinates 44.8° N, 91.8° W)

• coordinate based on political unit

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

• said to be middle Wasatchian

Environment/lithology: terrestrial

Primary reference: A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado. [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15226: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Microsyopidae
Microsyops cf. latidens Cope 1882 primate
 Condylarthra - Hyopsodontidae
Hyopsodus lysitensis Gingerich 1974 condylarth