Also known as YPM 3, 31, 33 (= UCMP V96073), 163, 166, 195, 198
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
Reposited in the UCMP
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 15566: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Esthonyx bisulcatus Cope 1874 tillodont
Esthonyx acutidens Cope 1881 tillodont | |
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Hapalodectes leptognathus Osborn and Wortman 1892 condylarth | |
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"Bunophorus" macropternus Cope 1882 even-toed ungulate | |
Heptodon posticus Cope 1882 odd-toed ungulate | |
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"Hyracotherium grangeri" = Sifrhippus grangeri
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Phenacodus vortmani Cope 1880 condylarth | |
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Vulpavus canavus Cope 1881 placental | |
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Paramys cf. copei Loomis 1907 rodent | |
cf. Knightomys depressus Loomis 1907 rodent | |
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Hyopsodus powellianus Cope 1884 condylarth | |
Reptilia | |
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