East of Beaver Creek (Eocene of the United States)

Where: Fremont County, Wyoming (43.2° N, 108.2° W: paleocoordinates 48.0° N, 91.4° W)

• coordinate based on political unit

When: ? Lost Cabin Member (Wind River Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: W. W. Korth and R. L. Evander. 1982. A New Species of Orohippus (Perissodactyla, Equidae) from the Early Eocene of Wyoming. Journal of Vertebrate Paleontology 2(2):167-171 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15935: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• old collection of Sinclair and Granger 1911; list also given by
Mammalia
 Primates - Microsyopidae
Microsyopidae indet. Osborn and Wortman 1892 primate
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Perissodactyla -
Heptodon calciculus Cope 1880 odd-toed ungulate
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium craspedotum" = Xenicohippus craspedotum
"Hyracotherium craspedotum" = Xenicohippus craspedotum Cope 1880 horse
 Theriamorpha - Viverravidae
Didymictis ? altidens Cope 1880 placental
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
two forms
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont