Kladder O (Paleogene of the United States)

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

• coordinate based on political unit

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 15259: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Creodonta - Oxyaenidae
Palaeonictis occidentalis2
Palaeonictis occidentalis2 Osborn 1892 creodont
 Tribosphenida - Phenacodontidae
Phenacodus sp.1
Phenacodus sp.1 Cope 1873 condylarth
 Cimolesta - Esthonychidae
Esthonyx sp.
Esthonyx sp. Cope 1874 tillodont
 Cimolesta - Coryphodontidae
Coryphodon sp.
Coryphodon sp. Owen 1845 pantodont
1Alroy 2002; 2Gunnell and Gingerich 1991