Kraus Flats (Eocene of the United States)

Also known as USGS D-1203, 1204, 1208, YPM 338

Where: Washakie County, Wyoming (44.0° N, 108.0° W: paleocoordinates 48.7° N, 90.9° 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 15577: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• placed in Bown section by Bown et al.
records from USGS D-1310, D-1311 and D-1588 should be placed here, as these are also at 442 m
all of these localities are in Washakie County
 Condylarthra - Hyopsodontidae
Hyopsodus sp.1 Leidy 1870 condylarth
 Macroscelidea - Apheliscidae
Haplomylus sp. Matthew 1915 elephant shrew
Apheliscus sp. Cope 1875 elephant shrew
said to be new
 Primates - Notharctidae
Cantius cf. abditus Gingerich and Simons 1977 primate
Cantius frugivorus1 Cope 1875 primate
 Primates - Microsyopidae
Microsyops angustidens Matthew 1915 primate
Microsyops cardiorestes3 Gunnell 1989 primate
 Primates - Paromomyidae
Phenacolemurinae indet.1 Simpson 1955 primate
 Primates - Omomyidae
Steinius vespertinus Matthew 1915 tarsier
also at D-1311: B & R 1987
Absarokius metoecus2 Bown and Rose 1987 tarsier
USGS D-1588
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
probably OK
 Perissodactyla - Helaletidae
Helaletidae indet. Osborn 1892 odd-toed ungulate
new helaletid of Bown
 Artiodactyla - Diacodexeidae
Diacodexis metsiacus Cope 1882 even-toed ungulate
Bunophorus robustus1 Sinclair 1914 even-toed ungulate
 Theriamorpha - Metacheiromyidae
Palaeanodon cf. ignavus Matthew 1918 placental
 Creodonta - Oxyaenidae
Oxyaenidae indet.1 Cope 1877 creodont
 Creodonta - Hyaenodontidae
Tritemnodon sp. Matthew 1906 creodont
said to be new
Prototomus sp. Cope 1874 creodont
 Creodonta -
Prolimnocyon atavus Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Didymictis sp. Cope 1875 placental
Viverravus acutus Matthew and Granger 1915 placental
Viverravus politus Matthew and Granger 1915 placental
 Theriamorpha -
cf. Oodectes sp. Wortman 1901 placental
 Carnivora - Miacidae
Miacidae indet.1 Cope 1880 carnivoran
 Theriamorpha -
Miacis exiguus Matthew and Granger 1915 placental
Vulpavus australis Matthew and Granger 1915 placental
Vulpavus canavus Cope 1881 placental
 Theriamorpha - Geolabididae
Centetodon neashami Bown and Schankler 1982 placental
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Apatemyidae
Apatemys rodens Troxell 1923 eutherian
 Cimolesta - Esthonychidae
Esthonyx sp. Cope 1874 tillodont
presumably sensu stricto
 Theriamorpha - Leptictidae
Prodiacodon tauricinerei Jepsen 1930 eutherian
Palaeictops cf. bicuspis4 Cope 1880 eutherian
USGS D-1310