North Fork of the Shoshone River (PU-B) (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 16005: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic level is uncertain
Mammalia
 Theriamorpha - Phenacodontidae
Phenacodus intermedius Granger 1915 condylarth
Ectocion cf. superstes Granger 1915 condylarth
 Perissodactyla - Equidae
"Protorohippus cf. venticolus" = Protorohippus venticolum
"Protorohippus cf. venticolus" = Protorohippus venticolum Cope 1881 horse
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
 Primates - Paromomyidae
cf. Elwynella oreas Rose and Bown 1982 primate
 Primates - Omomyidae
Loveina wapitiensis Gunnell et al. 1992 tarsier
 Primates - Microsyopidae
Microsyops scottianus Cope 1881 primate
Scenopagus curtidens
  -
Scenopagus curtidens Matthew 1909
probably = "Talpavus sp." of Torres 1985