4 Points Hill (FMNH 68-41) (Eocene of the United States)

Where: Garfield County, Colorado (39.7° N, 107.6° W: paleocoordinates 44.5° N, 91.6° W)

• 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

Reposited in the FMNH

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 15370: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Ischyromyidae
Notoparamys arctios n. sp.2 Korth 1984 rodent
 Condylarthra - Hyopsodontidae
Hyopsodus sp.1 Leidy 1870 condylarth
 Tribosphenida - Phenacodontidae
Phenacodus sp.1 Cope 1873 condylarth
 Perissodactyla - Equidae
Xenicohippus grangeri Bown and Kihm 1981 horse
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
"C" and "E"