Also known as USGS Loc. D-1177, 1315, 1316, UMRB1, RB2
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 USGS
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 15578: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Diacodexis metsiacus Cope 1882 even-toed ungulate
Bunophorus sp. Sinclair 1914 even-toed ungulate | |
| |
Coryphodon sp. Owen 1845 pantodont | |
Palaeosinopa veterrima Matthew 1901 eutherian | |
Vassacyon cf. promicrodon Wortman and Matthew 1899 placental | |
Miacidae indet. Cope 1880 carnivoran | |
Vulpavus australis Matthew and Granger 1915 placental
Vulpavus canavus Cope 1881 placental
Miacis exiguus Matthew and Granger 1915 placental | |
Viverravus acutus Matthew and Granger 1915 placental
Didymictis sp. Cope 1875 placental | |
Didelphodus absarokae Cope 1881 creodont | |
cf. Prototomus sp. Cope 1874 creodont
Tritemnodon cf. strenuus Cope 1875 creodont | |
Oxyaenidae indet. Cope 1877 creodont | |
Anacodon ursidens Cope 1882 condylarth | |
Hyracotherium sp. Owen 1841 odd-toed ungulate | |
Xenicohippus grangeri Bown and Kihm 1981 horse | |
| |
Phenacodus vortmani, "Phenacodus brachypternus" = Copecion brachypternus
Phenacodus vortmani Cope 1880 condylarth
"Phenacodus brachypternus" = Copecion brachypternus Cope 1882 condylarth | |
Cantius abditus Gingerich and Simons 1977 primate may include specimen from USGS D-2003 at the 479 m level of Rose et al. 1999
| |
Absarokius metoecus Bown and Rose 1987 tarsier | |
Phenacolemurinae indet. Simpson 1955 primate | |
Microsyops latidens Cope 1882 primate | |
Hyopsodus sp. Leidy 1870 condylarth
Hyopsodus cf. minor Loomis 1905 condylarth | |
Palaeictops bicuspis Cope 1880 eutherian |