Elk Creek (640 m): Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
cf. Plastomenus sp. Cope 1873
Holroyd et al. 2001
probably the "fragmentary trionychids" mentioned later in the paper
Reptilia - Testudines - Geoemydidae
Echmatemys sp. Hay 1906
Holroyd et al. 2001
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870
"latidens/miticulus"
Hyopsodus powellianus Cope 1884
Mammalia - Primates - Omomyidae
Absarokius abbotti (Loomis 1906)
OK, B & R 87: USGS 1622
Mammalia - Primates - Microsyopidae
Microsyops sp. Leidy 1872
    = Microsyopidae indet. Osborn and Wortman 1892
Alroy 2002
Mammalia - Primates - Notharctidae
Pelycodus abditus Gingerich and Simons 1977
    = Cantius abditus Gingerich and Simons 1977
Alroy 2002
Mammalia - Rodentia - Ischyromyidae
Paramys cf. excavatus Loomis 1907
Paramys cf. copei Loomis 1907
Mammalia - Viverravidae
Viverravus sp. Marsh 1872
"V. acutus/gracilis"
Didymictis sp. Cope 1875
"curtidens/lysitensis"
Mammalia
Vulpavus canavus (Cope 1881)
Mammalia - Creodonta
Prolimnocyon antiquus Matthew and Granger 1915
Mammalia - Diacodexeidae
"Bunophorus" macropternus (Cope 1882)
Diacodexis metsiacus (Cope 1882)
    = Diacodexis sp. Cope 1882
Alroy 2002
Mammalia - Procreodi - Arctocyonidae
Thryptacodon loisi Kelley and Wood 1954
    = Thryptacodon antiquus Matthew and Granger 1915
Alroy 2002
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
Mammalia - Esthonychidae
Esthonyx acutidens Cope 1881
Esthonyx bisulcatus Cope 1874
Mammalia - Apatemyidae
Labidolemur kayi Simpson 1929
Gingerich 1982
"Apatemys chardini/bellulus" DUPLICATE REF 1645 or 1646 or 1647 or 1648 or 1649
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
"2"
Mammalia
Ectoganus simplex (Cope 1874)
    = Ectoganus gliriformis Cope 1874
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:local area
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:640 m
Local order:bottom to top
Stratigraphy comments: not clear if B & R 87 levels are in terms of the Schankler-Wing or Bown sections
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Museum repositories:UCMP
Metadata
Also known as:YPM 165, 183, 187, USGS D-1473 (635 m), 1558 (635 m), 1622 (= UCMP V99207; 638 m)
Database number:15563
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2006-04-19 21:42:29
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]
1645 P. D. Gingerich. 1982. Time resolution in mammalian evolution: sampling, lineages and faunal turnover. Proceedings of the Third North American Paleontological Convention 1:205-210 [J. Alroy/J. Alroy/M. Uhen]
17201 P. A. Holroyd, J. H. Hutchison, and S. G. Strait. 2001. Turtle diversity and abundance through the lower Eocene Willwood Formation of the southern Bighorn Basin. University of Michigan Papers on Paleontology 33:97-108 [J. Alroy/J. Alroy/J. Alroy]