Elk Creek (190 m) (Eocene of the United States)
Also known as YPM 111, 140, 214, 363 (= USGS 2151)
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 15516: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• note: Y-215W was placed at this level by Schankler but is at 180 m, see Bown and Rose 1987
Show authors, comments, and common names
Mammalia | |
Prodiacodon tauricinerei Jepsen 1930 eutherian | |
Paramys cf. copei Loomis 1907 rodent
Paramys cf. excavatus Loomis 1907 rodent | |
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"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate | |
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"Hyracotherium aemulor" = Arenahippus aemulor
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Ectocion osbornianus Cope 1882 condylarth
Phenacodus vortmani Cope 1880 condylarth
Phenacodus intermedius Granger 1915 condylarth | |
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Oxyaena gulo Matthew and Granger 1915 creodont | |
Prolimnocyon atavus Matthew and Granger 1915 creodont | |
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Didymictis leptomylus Cope 1880 placental | |
Vassacyon promicrodon Wortman and Matthew 1899 placental | |
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Esthonyx spatularius Cope 1880 tillodont | |
"Copedelphys innominata" = Herpetotherium innominatum1
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