Elk Creek (380 m) (Eocene of the United States)

Also known as YPM 152, USGS D-1259 (380 m), 1453 (378 m), 1652 (382 m)

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

• coordinate based on political unit

• small collection-level geographic resolution

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 15533: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• USGS D-1453, 1652 are from Washakie County
Show authors, comments, and common names
Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus sp.
Hyopsodus sp. Leidy 1870 condylarth
"latidens/miticulus"
 Theriamorpha - Phenacodontidae
Phenacodus sp.1
Phenacodus sp.1 Cope 1873 condylarth
 Primates - Omomyidae
Anemorhysis pattersoni2
Anemorhysis pattersoni2 Bown and Rose 1984 tarsier
USGS D-1652
 Cimolesta - Esthonychidae
Esthonyx bisulcatus
Esthonyx bisulcatus Cope 1874 tillodont
1Alroy 2002; 2Bown and Rose 1987