North Fork of the Shoshone River (NF-3) (Eocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.2° N, 91.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Willwood Formation, Lostcabinian (55.8 - 50.3 Ma)

• said to be Lostcabinian

Environment/lithology: terrestrial

Primary reference: G. F. Gunnell, W. S. Bartels, P. D. Ginberich and V. Torres. 1992. Wapiti Valley Faunas: Early and Middle Eocene Fossil Vertebrates from the North Fork of the Shoshone River, Park County, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(11):247-287 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15999: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Perissodactyla - Equidae
"Protorohippus cf. venticolus" = Protorohippus venticolum, Xenicohippus cf. craspedotum
"Protorohippus cf. venticolus" = Protorohippus venticolum Cope 1881 horse
Xenicohippus cf. craspedotum Cope 1880 horse
"Hyracotherium cf. craspedotum"
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
Eotitanops borealis Cope 1880 brontothere
 Theriamorpha - Viverravidae
Viverravus gracilis Marsh 1872 placental
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont