Elk Creek (520 m) (Eocene of the United States)
Also known as YPM 52, USGS D-1438 (516 m), 1304 (519 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 15547: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• not clear if USGS lists are in Schankler-Wing or Bown sections
possibly relevant: Absarokius abbotti Bown and Rose 1987: USGS D-1304, 1438 Absarokius metoecus Bown and Rose 1987: USGS D-1438
possibly relevant: Absarokius abbotti Bown and Rose 1987: USGS D-1304, 1438 Absarokius metoecus Bown and Rose 1987: USGS D-1438
Show authors, comments, and common names
Mammalia | |
Esthonyx bisulcatus Cope 1874 tillodont | |
| |
| |
| |
Vulpavus australis Matthew and Granger 1915 placental | |
Phenacodus vortmani Cope 1880 condylarth | |
"Hyracotherium grangeri" = Sifrhippus grangeri
| |
Diacodexis sp. Cope 1882 even-toed ungulate | |
Cantius abditus Gingerich and Simons 1977 primate |