North Fork of the Shoshone River (NF-6) (Eocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 48.1° N, 94.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Willwood Formation, Bridgerian (50.3 - 46.2 Ma)

• said to be Gardnerbuttean

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 16291: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus paulus Leidy 1870 condylarth
 Perissodactyla - Equidae
Orohippus pumilus Marsh 1871 horse
 Perissodactyla - Brontotheriidae
Palaeosyops fontinalis Cope 1873 brontothere
 Rodentia - Ischyromyidae
Paramys delicatus Leidy 1871 rodent
 Primates - Notharctidae
Smilodectes mcgrewi Gingerich 1979 primate
 Primates - Microsyopidae
Microsyops cf. elegans Marsh 1871 primate
 Cimolesta - Esthonychidae
Trogosus sp. Leidy 1871 tillodont