Elk Creek (620 m): Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Palaeictops bicuspis (Cope 1880)
Mammalia - Esthonychidae
Esthonyx acutidens Cope 1881
Esthonyx bisulcatus Cope 1874
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
"2"
Mammalia
Ectoganus simplex (Cope 1874)
    = Ectoganus gliriformis Cope 1874
Alroy 2002
Mammalia - Macroscelidea - Amphilemuridae
Macrocranion nitens (Matthew 1918)
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870
"latidens/miticulus"
Hyopsodus powellianus Cope 1884
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
"intermedia/forcipata"
Mammalia - Creodonta
Didelphodus absarokae (Cope 1881)
Mammalia - Creodonta - Hyaenodontidae
Prototomus sp. Cope 1874
"1"
Tritemnodon strenua
    = Tritemnodon strenuus Cope 1875
Alroy 2002
Mammalia - Viverravidae
Viverravus sp. Marsh 1872
"V. acutus/gracilis"
Didymictis sp. Cope 1875
"curtidens/lysitensis"
Didymictis altidens Cope 1880
Mammalia
Uintacyon asodes Gazin 1952
Miacis exiguus Matthew and Granger 1915
    = Miacis sp. Cope 1872
Alroy 2002
Vulpavus canavus (Cope 1881)
Vulpavus australis Matthew and Granger 1915
Mammalia - Acreodi - Hapalodectidae
Hapalodectes leptognathus (Osborn and Wortman 1892)
Mammalia - Phenacodontidae
Phenacodus primaevus (Cope 1873)
    = Phenacodus sp. Cope 1873
Alroy 2002
Phenacodus vortmani (Cope 1880)
Phenacodus brachypternus Cope 1882
    = Copecion brachypternus Cope 1882
Alroy 2002
Mammalia - Perissodactyla - Equidae
Hyracotherium grangeri Gingerich 1989
recombined as Sifrhippus grangeri
"H. sp. 1"
Hyracotherium pernix (Marsh 1876)
recombined as Arenahippus pernix
"H. sp. 3"
Mammalia - Perissodactyla
Heptodon calciculus (Cope 1880)
Mammalia - Diacodexeidae
Bunophorus etsagicus (Cope 1882)
    = Bunophorus sp. Sinclair 1914
Alroy 2002
"Bunophorus" macropternus (Cope 1882)
Diacodexis metsiacus (Cope 1882)
    = Diacodexis sp. Cope 1882
Alroy 2002
Mammalia - Rodentia - Ischyromyidae
Paramys cf. copei Loomis 1907
Paramys cf. excavatus Loomis 1907
Mammalia - Rodentia - Sciuravidae
Dawsonomys minor Wood 1965
    = cf. Knightomys minor Wood 1965
Alroy 2002
cf. Knightomys depressus (Loomis 1907)
Mammalia - Primates - Paromomyidae
Phenacolemurinae indet. Simpson 1955
"Phenacolemur sp. 1" and "P. sp. 2"
Mammalia - Primates - Omomyidae
Absarokius abbotti (Loomis 1906)
OK, B & R 87: Y-16, 167, 181, 184, USGS D-1467
Mammalia - Primates - Microsyopidae
Microsyops sp. Leidy 1872
    = Microsyopidae indet. Osborn and Wortman 1892
Alroy 2002
Mammalia - Primates - Notharctidae
Copelemur consortutus Gingerich and Simons 1977
    = Cantius nunienus Cope 1881
Alroy 2002
Pelycodus abditus Gingerich and Simons 1977
    = Cantius abditus Gingerich and Simons 1977
Alroy 2002
Mammalia - Dinocerata - Prodinoceratidae
Probathyopsis lysitensis Kelley and Wood 1954
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:55.80000 - 50.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:ElkCr Local bed:620 m
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:all localities are in Washakie County except YPM 13, 15, 16, 167, and 184, which are in Big Horn County
because YPM 192, 193, and 315 were included here by Schankler, there may be overlap with the Bobcat Draw Bonanza list
Metadata
Also known as:YPM 13, 15, 16, 179, 180, 181, 184, 189, 167 625 m: YPM 190, 192, 193, 315, USGS D-1467, DPC-15
Database number:15558
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:40
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3021. D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [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]