Lone Hill (Eocene of the United States)

Also known as UCM 78094

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 early 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 15350: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Esthonychidae
Esthonyx bisulcatus Cope 1874 tillodont
 Primates - Notharctidae
Cantius mckennai Gingerich and Simons 1977 primate
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Tribosphenida - Phenacodontidae
Copecion brachypternus Cope 1882 condylarth
Phenacodus sp. Cope 1873 condylarth
Phenacodus cf. vortmani Cope 1880 condylarth
 Perissodactyla -
Heptodon sp. Cope 1882 odd-toed ungulate
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
 Ferae - Viverravidae
Didymictis sp. Cope 1875 placental
Viverravus cf. politus Matthew and Granger 1915 placental
 Ferae -
Uintacyon cf. massetericus Cope 1882 placental
 Macroscelidea - Apheliscidae
Haplomylus speirianus Cope 1880 elephant shrew
Apheliscus sp. Cope 1875 elephant shrew
 Acreodi - Mesonychidae
Pachyaena sp. Cope 1874 condylarth
 Hyaenodonta - Hyaenodontidae
Prolimnocyon atavus Matthew and Granger 1915 eutherian