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 | |
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Apatemys bellulus Marsh 1872 eutherian
Apatemys rodens Troxell 1923 eutherian | |
Coryphodon sp. Owen 1845 pantodont | |
Palaeictops bicuspis Cope 1880 eutherian see also Rose 1999a for material from USGS D-1198 and Y-45S
Didelphodus sp. Cope 1882 eutherian | |
Macrocranion nitens Matthew 1918 elephant shrew | |
Hyopsodus cf. minor Loomis 1905 condylarth | |
Cantius abditus n. sp.
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Microsyops latidens Cope 1882 primate | |
Anemorhysis pattersoni n. sp., Absarokius metoecus n. sp.
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
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
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Palaeanodon ignavus Matthew 1918 placental | |
Oxyaena cf. forcipata Cope 1874 creodont | |
Prolimnocyon sp. Matthew and Granger 1915 creodont | |
"Prototomus vulpecula" = Gazinocyon vulpeculus Matthew and Granger 1915 creodont | |
Uintacyon cf. asodes Gazin 1952 placental
Vulpavus australis Matthew and Granger 1915 placental
Vulpavus canavus Cope 1881 placental
Miacis petilus2 Gingerich 1983 placental probably includes "M. exiguus" based on discussion of Gingerich 1983
Vassacyon promicrodon Wortman and Matthew 1899 placental | |
Viverravus lutosus Gazin 1952 placental
Viverravus cf. acutus Matthew and Granger 1915 placental | |
cf. Oodectes sp. Wortman 1901 placental | |
"Diacodexis robustus" = Bunophorus robustus Sinclair 1914 even-toed ungulate
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Anacodon ursidens Cope 1882 condylarth | |
Phenacodus vortmani Cope 1880 condylarth | |
Heptodon calciculus Cope 1880 odd-toed ungulate
cf. Homogalax sp. Hay 1899 odd-toed ungulate | |
Xenicohippus grangeri Bown and Kihm 1981 horse | |
Hyracotherium sp. Owen 1841 odd-toed ungulate | |
Ectoganus cf. gliriformis Cope 1874 taeniodont |