Elk Creek (270 m) (Eocene of the United States)
Also known as YPM 286, 294, USGS D-1241
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 15522: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• USGS D-1241 is in Washakie County
Show authors, comments, and common names
Mammalia | |
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Esthonyx bisulcatus Cope 1874 tillodont | |
Prodiacodon tauricinerei Jepsen 1930 eutherian
Didelphodus absarokae Cope 1881 eutherian | |
cf. Knightomys depressus Loomis 1907 rodent | |
Paramys cf. copei Loomis 1907 rodent
Paramys cf. excavatus Loomis 1907 rodent | |
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Niptomomys doreenae McKenna 1960 primate | |
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Plagiomene multicuspis Matthew 1918 colugo | |
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Palaeanodon ignavus Matthew 1918 placental | |
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Uintacyon massetericus Cope 1882 placental
Vulpavus australis Matthew and Granger 1915 placental | |
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Pachyaena ossifraga Cope 1874 condylarth | |
Thryptacodon antiquus Matthew and Granger 1915 condylarth | |
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"Hyracotherium aemulor" = Arenahippus aemulor
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Ectocion osbornianus Cope 1882 condylarth | |
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Haplomylus speirianus Cope 1880 elephant shrew |