Elk Creek (310 m) (Eocene of the United States)

Also known as USGS 1577L; YPM 365

Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)

• coordinate based on political unit

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

Environment/lithology: terrestrial

Primary reference: D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 15525: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• USGS 1577L is in Washakie County
"Copelemur praetutus" of Gingerich and Simons from YPM 365 is probably not of this genus: Beard 1988b
Reptilia
 Squamata - Anguidae
cf. Glyptosaurus sp.2 Marsh 1871 squamates
Mammalia
 Primates - Notharctidae
Cantius mckennai3 Gingerich and Simons 1977 primate
USGS D-1577L, 311 m level
 Primates - Omomyidae
Tetonius sp.1 Matthew 1915 tarsier
T. matthewi-ambiguus intergrade; Y-365
 Primates - Paromomyidae
Phenacolemur simonsi Bown and Rose 1976 primate