Roan Cliffs at Rulison (FMNH 177-41) (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 late 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 15338: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus powellianus Cope 1884 condylarth
 Perissodactyla -
Heptodon calciculus Cope 1880 odd-toed ungulate
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
"F"
 Artiodactyla - Diacodexeidae
Bunophorus pattersoni3 Krishtalka and Stucky 1986 even-toed ungulate
 Creodonta -
Prolimnocyon cf. atavus2 Matthew and Granger 1915 creodont
 Rodentia - Ischyromyidae
Acritoparamys pattersoni1 Wood 1962 rodent
Paramys excavatus Loomis 1907 rodent
Paramys copei Loomis 1907 rodent
 Primates - Notharctidae
Cantius frugivorus Cope 1875 primate
 Cimolesta - Esthonychidae
Esthonyx sp. Cope 1874 tillodont