Elk Creek (590 m): Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870
"latidens/miticulus"
Hyopsodus powellianus Cope 1884
Mammalia - Macroscelidea - Amphilemuridae
Macrocranion nitens (Matthew 1918)
Mammalia - Viverravidae
Viverravus sp. Marsh 1872
"V. acutus/gracilis"
Didymictis sp. Cope 1875
"curtidens/lysitensis"
Mammalia
Vulpavus australis Matthew and Granger 1915
Vulpavus canavus (Cope 1881)
Miacis exiguus Matthew and Granger 1915
    = Miacis sp. Cope 1872
Alroy 2002
Uintacyon asodes Gazin 1952
Mammalia - Creodonta - Hyaenodontidae
Prototomus sp. Cope 1874
"1"
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
"intermedia/forcipata"
Mammalia - Procreodi - Arctocyonidae
Anacodon ursidens Cope 1882
Thryptacodon antiquus Matthew and Granger 1915
Mammalia - Diacodexeidae
Bunophorus etsagicus (Cope 1882)
    = Bunophorus sp. Sinclair 1914
Alroy 2002
Diacodexis metsiacus (Cope 1882)
    = Diacodexis sp. Cope 1882
Alroy 2002
Mammalia - Phenacodontidae
Phenacodus primaevus (Cope 1873)
    = Phenacodus sp. Cope 1873
Alroy 2002
Phenacodus vortmani (Cope 1880)
Mammalia - Perissodactyla - Equidae
Hyracotherium grangeri Gingerich 1989
"H. sp. 1"
Hyracotherium cf. index (Cope 1873)
Mammalia - Perissodactyla
Heptodon calciculus (Cope 1880)
Heptodon posticus (Cope 1882)
Mammalia - Pantolestidae
Palaeosinopa veterrima Matthew 1901
Mammalia - Rodentia - Ischyromyidae
Paramys cf. excavatus Loomis 1907
Paramys cf. copei Loomis 1907
Mammalia - Primates - Paromomyidae
Phenacolemurinae indet. Simpson 1955
"Phenacolemur sp. 1" and "P. sp. 2"
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 - Primates - Omomyidae
Absarokius metoecus Bown and Rose 1987
Bown and Rose 1987
Y-314, USGS D-1573
Absarokius abbotti (Loomis 1906)
OK, B & R 87: Y-314, USGS D-1175, 1436, 1573
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
Mammalia - Leptictidae
Prodiacodon tauricinerei (Jepsen 1930)
see common names

Geography
Country:United States State/province:Wyoming County:Big Horn
Coordinates: 44.5° North, 108.0° West (view map)
Paleocoordinates:52.2° North, 79.9° West (Wright 2013)
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: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:ElkCr Local bed:590 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:possibly relevant: Dissacus serior O'Leary and Rose 1995a: type, USGS D-1754, "511-m level"
YPM 314 and USGS 1573 are in Washakie County
Metadata
Also known as:YPM 20, 23, 171, 173, 177, 186, 314, USGS D-1436 (585 m), 1175, 1573
Database number:15555
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC0
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]
1123 T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju]