Elk Creek (550 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 sp. Leidy 1870
"loomisi/minor"
Mammalia - Creodonta - Hyaenodontidae
Prototomus sp. Cope 1874
"1"
Mammalia - Procreodi - Arctocyonidae
Anacodon ursidens Cope 1882
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
Mammalia - Perissodactyla - Equidae
Hyracotherium grangeri Gingerich 1989
recombined as Sifrhippus grangeri
"H. sp. 1"
Mammalia - Rodentia - Ischyromyidae
Paramys cf. excavatus Loomis 1907
Mammalia - Primates - Notharctidae
Pelycodus abditus Gingerich and Simons 1977
    = Cantius abditus Gingerich and Simons 1977
Alroy 2002
Mammalia - Primates - Omomyidae
Absarokius abbotti (Loomis 1906)
Bown and Rose 1987
Y-100
Tetonius homunculus (Cope 1882)
    = Tetonius sp. Matthew 1915
Alroy 2002
Mammalia - Primates - Microsyopidae
Microsyops sp. Leidy 1872
    = Microsyopidae indet. Osborn and Wortman 1892
Alroy 2002
see common names

Geography
Country:United States State/province:Wyoming County:Big Horn
Coordinates: 44.5° North, 108.0° West (view map)
Paleocoordinates:49.2° North, 90.8° 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:ElkCr Local bed:550 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:status of this list is seriously in question because Bown et al. 1994 give no meter level for YPM 63 and an incongruent level of 455 m (= old 534) for YPM 100
Metadata
Also known as:YPM 63, 100
Database number:15550
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]
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]