Elk Creek (610 m) (Eocene of the United States)
Also known as YPM 174, 175, 176, 185, 191, USGS D-1567
Where: Washakie County, Wyoming (44.0° N, 108.0° W: paleocoordinates 48.7° N, 90.9° 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 15557: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• YPM 185, 191 and USGS D-1567 are in Big Horn County, the others are in Washakie County
Show authors, comments, and common names
Mammalia | |
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cf. Knightomys depressus Loomis 1907 rodent | |
Paramys cf. excavatus Loomis 1907 rodent
Paramys cf. copei Loomis 1907 rodent | |
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Oodectes sp.1, Miacis sp.1, Vulpavus canavus, Vulpavus australis, Uintacyon asodes, Vassacyon promicrodon
Vulpavus canavus Cope 1881 placental
Vulpavus australis Matthew and Granger 1915 placental
Uintacyon asodes Gazin 1952 placental
Vassacyon promicrodon Wortman and Matthew 1899 placental | |
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Palaeanodon ignavus Matthew 1918 placental | |
"Hyracotherium cf. index" = Minippus index, "Hyracotherium grangeri" = Sifrhippus grangeri, "Hyracotherium pernix" = Arenahippus pernix
"Hyracotherium cf. index" = Minippus index Cope 1873 horse | |
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Phenacodus vortmani Cope 1880 condylarth | |
"Bunophorus" macropternus Cope 1882 even-toed ungulate
Diacodexis secans Cope 1881 even-toed ungulate this is probably correct, see Krishtalka and Stucky 1985
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Hyopsodus powellianus Cope 1884 condylarth | |
Esthonyx bisulcatus Cope 1874 tillodont
Esthonyx acutidens Cope 1881 tillodont | |
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Palaeictops bicuspis Cope 1880 eutherian |