Gnats-2-U (Paleogene of the United States)

Also known as UCM 79003

Where: Mesa County, Colorado (39.2° N, 108.2° W: paleocoordinates 44.6° N, 90.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: DeBeque Formation, Clarkforkian (56.2 - 54.9 Ma)

• said to be Clarkforkian

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 15237: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Creodonta - Oxyaenidae
Palaeonictis occidentalis2 Osborn 1892 creodont
 Theriamorpha - Phenacodontidae
Phenacodus cf. vortmani Cope 1880 condylarth
 Dinocerata - Prodinoceratidae
Probathyopsis harrisorum1 Patterson 1939 uintathere