Also known as USGS Loc. D-1198, 1160, 1160N, 1244, 1315, YPM 45 (= 1198B), 45-S (= 1198C), 45-E
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: T. M. Bown, K. D. Rose, E. L. Simons and S. L. Wing. 1994. Distribution and stratigraphic correlation of upper Paleocene and lower Eocene fossil mammal and plant localities of the Fort Union, Willwood, and Tatman formations, southern Bighorn Basin, Wyoming. United States Geological Survey Professional Paper 1540:1-103 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 15576: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
USGS 1244 and part of 1198 are in Washakie County
USGS D-1662 is placed at the 470/550 level by B & R 87
Reptilia | |
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Mammalia | |
Macrocranion nitens Matthew 1918 elephant shrew | |
Hyopsodus cf. minor Loomis 1905 condylarth | |
Phenacodus vortmani Cope 1880 condylarth | |
Heptodon calciculus Cope 1880 odd-toed ungulate
cf. Homogalax sp. Hay 1899 odd-toed ungulate | |
Hyracotherium sp. Owen 1841 odd-toed ungulate | |
Xenicohippus grangeri Bown and Kihm 1981 horse | |
"Diacodexis robustus" = Bunophorus robustus Sinclair 1914 even-toed ungulate
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Anacodon ursidens Cope 1882 condylarth | |
Oxyaena cf. forcipata Cope 1874 creodont | |
Prolimnocyon sp. Matthew and Granger 1915 creodont | |
"Prototomus vulpecula" = Gazinocyon vulpeculus Matthew and Granger 1915 creodont | |
Viverravus cf. acutus Matthew and Granger 1915 placental
Viverravus lutosus Gazin 1952 placental | |
cf. Oodectes sp., Vassacyon promicrodon, Miacis petilus2, Vulpavus australis, Vulpavus canavus, Uintacyon cf. asodes
cf. Oodectes sp. Wortman 1901 placental
Vassacyon promicrodon Wortman and Matthew 1899 placental
Miacis petilus2 Gingerich 1983 placental probably includes "M. exiguus" based on discussion of Gingerich 1983
Vulpavus australis Matthew and Granger 1915 placental
Vulpavus canavus Cope 1881 placental
Uintacyon cf. asodes Gazin 1952 placental | |
Palaeanodon ignavus Matthew 1918 placental | |
Microsyops latidens Cope 1882 primate | |
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Cantius abditus n. sp.
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Absarokius metoecus n. sp., Anemorhysis pattersoni n. sp.
Absarokius metoecus n. sp. Bown and Rose 1987 tarsier USGS D-1198 (type is from D-1198-B), 1662, YPM 45-M, -E, -S: B & R 87
Anemorhysis pattersoni n. sp. Bown and Rose 1984 tarsier described by Bown and Rose 1984; type is from YPM 45-S; includes specimen of "A. musculus" (Szalay 1976 fig. 39); B & R 87: at YPM 45-S, USGS D-1198C
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Palaeictops bicuspis Cope 1880 eutherian see also Rose 1999a for material from USGS D-1198 and Y-45S
Didelphodus sp. Cope 1882 eutherian | |
Coryphodon sp. Owen 1845 pantodont | |
Apatemys bellulus Marsh 1872 eutherian
Apatemys rodens Troxell 1923 eutherian | |
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Ectoganus cf. gliriformis Cope 1874 taeniodont |