PBDB Collection

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

Show authors, comments, and common names

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

¹Alroy 2002; ²Bown and Rose 1987; ³Gunnell 1989; ⁴Rose 1999