MP-286: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Lacertilia
Lacertilia indet. Owen 1842
specimens
Mammalia - Macroscelidea - Apheliscidae
Apheliscus insidiosus (Cope 1874)
1 specimen
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus minor Loomis 1905
21 specimens
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
2 specimens
Mammalia - Perissodactyla
Hyracotherium cristatum Wortman 1896
3 specimens
synonym of Systemodon tapirinus
Mammalia - Perissodactyla - Equidae
Hyracotherium pernix (Marsh 1876)
21 specimens
recombined as Arenahippus pernix
Mammalia - Diacodexeidae
Diacodexis robustus Sinclair 1914
1 specimen
recombined as Bunophorus robustus
Diacodexis metsiacus (Cope 1882)
10 specimens
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
2 specimens
Viverravus acutus Matthew and Granger 1915
1 specimen
Mammalia
Vassacyon promicrodon (Wortman and Matthew 1899)
1 specimen
Mammalia - Rodentia - Ischyromyidae
Paramys v. large sp.
1 specimen
Paramys taurus Korth 1984
1 specimen
Paramys copei Loomis 1907
1 specimen
Mammalia - Primates - Microsyopidae
Microsyops latidens (Cope 1882)
4 specimens
Mammalia - Primates - Notharctidae
Cantius abditus (Gingerich and Simons 1977)
3 specimens
Mammalia - Primates - Omomyidae
Absarokius metoecus Bown and Rose 1987
1 specimen
originally entered as "Absarokius motoecus"
Mammalia - Coryphodontidae
Coryphodon armatus (Cope 1872)
1 specimen
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
2 specimens
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 44.4° North, 108.7° West (view map)
Paleocoordinates:49.3° North, 91.5° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
Key time interval:Wasatchian
Age range of interval:54.90000 - 50.50000 m.y. ago
Stratigraphy
Formation:Willwood
Local section:Foster Gulch - Y U Bench Local bed:1085
Regional section:MP Southeast Regional bed:2280
Stratigraphic resolution:group of beds
Stratigraphy comments: Wa-6
Lithology and environment
Primary lithology: lithified "siliciclastic"
Includes fossils?Y
Environment:fluvial-lacustrine indet. Tectonic setting:intermontane basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Associated major elements:some
Disassociated major elements:many
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (float),surface (in situ),survey of museum collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:UMMP
Metadata
Database number:46847
Authorizer:W. Clyde Enterer:W. Clyde
Modifier:W. Clyde Research group:vertebrate
Created:2005-01-24 09:55:26 Last modified:2005-01-24 11:55:26
Access level:the public Released:2005-01-24 09:55:26
Creative Commons license:CC BY
Reference information

Primary reference:

11717. W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy]