Elk Creek (90 m) (Eocene of the United States)
Also known as YPM 90a
Where: Big Horn County, Wyoming (44.5° N, 108.0° W)
• Paleocoordinates: 52.2° N, 79.9° W (Wright 2013)
• coordinate based on political unit
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (54.9 - 50.5 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 15505: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
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Esthonyx spatularius Cope 1880 tillodont | |
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Phenacolemurinae indet. Simpson 1955 primate | |
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Cantius sp. Simons 1962 primate | |
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Paramys cf. excavatus Loomis 1907 rodent
Paramys cf. copei Loomis 1907 rodent | |
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cf. Knightomys minor Wood 1965 rodent | |
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Diacodexis sp. Cope 1882 even-toed ungulate | |
"Hyracotherium grangeri" = Sifrhippus grangeri
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Phenacodus intermedius Granger 1915 condylarth
Phenacodus vortmani Cope 1880 condylarth
Ectocion osbornianus Cope 1882 condylarth | |
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Arfia sp. Van Valen 1965 placental | |
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Oxyaena gulo Matthew and Granger 1915 placental | |
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Didymictis leptomylus Cope 1880 placental | |
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Oodectes sp. Wortman 1901 placental | |
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Pachyaena ossifraga Cope 1874 condylarth | |
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Haplomylus speirianus Cope 1880 elephant shrew | |
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Prodiacodon tauricinerei Jepsen 1930 eutherian | |