Kladder Y (Eocene of the United States)

Also known as Chalk Mountain

Where: Mesa County, Colorado (39.2° N, 108.2° W: paleocoordinates 44.0° N, 92.3° W)

• coordinate based on political unit

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

• said to be 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 15425: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic level unknown
Mammalia
 Perissodactyla -
Homogalax sp. Hay 1899 odd-toed ungulate
small
 Creodonta - Oxyaenidae
Oxyaena gulo Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Didymictis altidens Cope 1880 placental