Potala Bonanza: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Anguidae
Melanosaurus sp. Gilmore 1928
ElShafie 2024
Mammalia - Leptictidae
Prodiacodon tauricinerei (Jepsen 1930)
Didelphodus absarokae (Cope 1881)
Mammalia - Apatemyidae
Apatemys sp. Marsh 1872
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
Mammalia - Esthonychidae
Esthonyx cf. bisulcatus Cope 1874
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus cf. latidens Denison 1937
    = Hyopsodus sp. Leidy 1870
Alroy 2002
Mammalia - Metacheiromyidae
Palaeanodon ignavus Matthew 1918
Mammalia - Creodonta - Hyaenodontidae
Tritemnodon sp. Matthew 1906
Prototomus sp. Cope 1874
Mammalia - Creodonta
Prolimnocyon sp. Matthew and Granger 1915
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
    = Oxyaenidae indet. Cope 1877
Alroy 2002
Mammalia
Miacis exiguus Matthew and Granger 1915
Vassacyon promicrodon (Wortman and Matthew 1899)
Vulpavus canavus (Cope 1881)
Vulpavus australis Matthew and Granger 1915
Uintacyon rudis Rose 1981
Mammalia - Viverravidae
Viverravus acutus Matthew and Granger 1915
Didymictis protenus (Cope 1874)
    = Didymictis sp. Cope 1875
Alroy 2002
Mammalia - Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841
Mammalia - Perissodactyla
Homogalax cf. protapirinus (Wortman 1896)
Mammalia - Phenacodontidae
Phenacodus primaevus (Cope 1873)
    = Phenacodus sp. Cope 1873
Alroy 2002
Mammalia - Diacodexeidae
Bunophorus sp. Sinclair 1914
Diacodexis robustus Sinclair 1914
    = Bunophorus robustus Sinclair 1914
Alroy 2002
Diacodexis cf. metsiacus (Cope 1882)
Mammalia - Procreodi - Arctocyonidae
Thryptacodon cf. antiquus Matthew and Granger 1915
Chriacus sp. Cope 1883
Mammalia - Primates - Notharctidae
Cantius abditus (Gingerich and Simons 1977)
cf. Copelemur sp. Gingerich and Simons 1977
Mammalia - Primates - Microsyopidae
Microsyops minuta
    = Microsyopidae indet. Osborn and Wortman 1892
Alroy 2002
(apparent manuscript name)
Microsyops cardiorestes Gunnell 1989
Gunnell 1989
Microsyops cf. angustidens (Matthew 1915)
Mammalia - Primates - Paromomyidae
Phenacolemur sp. Matthew 1915
    = Phenacolemurinae indet. Simpson 1955
Alroy 2002
said to be new
see common names

Geography
Country:United States State/province:Wyoming County:Washakie
Coordinates: 44.0° North, 108.0° West (view map)
Paleocoordinates:48.7° North, 90.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Wasatchian
Age range of interval:54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:15MiC Local bed:409
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Museum repositories:USGS
Taxonomic list comments:placed in Bown section by Bown et al.
USGS D-1460Q (see) is NOT at the same level
Metadata
Also known as:USGS Loc. D-1454, 1460; UCMP V96239
Database number:15573
Authorizer:J. Alroy, P. Holroyd Enterer:J. Alroy, P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2024-01-07 18:10:53
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

6214. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
87093 S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd]
1730 G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion]