O'Connell Hill (Eocene of the United States)

Also known as UCM 78034

Where: Garfield County, Colorado (39.7° N, 107.6° W)

• Paleocoordinates: 47.5° N, 81.5° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

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 15363: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Tribosphenida - Phenacodontidae
Copecion brachypternus Cope 1882 condylarth
Phenacodus sp. Cope 1873 condylarth
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
"C"