MP-147: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Allognathosuchus sp. Mook 1921
specimens
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus latidens Denison 1937
8 specimens
Mammalia - Macroscelidea - Apheliscidae
Haplomylus scottianus Gingerich 1994
1 specimen
Mammalia - Acreodi - Mesonychidae
Pachyaena ossifraga Cope 1874
2 specimens
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
1 specimen
Mammalia - Creodonta - Hyaenodontidae
Arfia opisthotoma (Matthew 1901)
6 specimens
Mammalia - Creodonta - Oxyaenidae
Oxyaena intermedia Denison 1938
2 specimens
Oxyaena forcipata Cope 1874
1 specimen
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
2 specimens
Mammalia - Phenacodontidae
Phenacodus trilobatus Cope 1881
1 specimen
Phenacodus intermedius Granger 1915
2 specimens
Mammalia - Perissodactyla - Equidae
Hyracotherium cristatum Wortman 1896
1 specimen
Hyracotherium pernix (Marsh 1876)
29 specimens
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
6 specimens
Mammalia - Rodentia
Rodentia indet. Bowdich 1821
2 specimens
Mammalia - Primates - Notharctidae
Cantius trigonodus (Matthew 1915)
1 specimen
Mammalia - Coryphodontidae
Coryphodon radians (Cope 1872)
5 specimens
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
2 specimens
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 44.6° North, 108.6° West (view map)
Paleocoordinates:52.4° North, 80.5° West (Wright 2013)
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: 54.9 - 50.5 m.y. ago
Stratigraphy
Formation:Willwood
Local section:Foster Gulch - Y U Bench Local bed:545
Regional section:MP Southeast Regional bed:1740
Stratigraphic resolution:group of beds
Stratigraphy comments: Wa-4
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:46733
Authorizer:W. Clyde Enterer:W. Clyde
Modifier:W. Clyde Research group:vertebrate
Created:2005-01-24 09:55:26 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-01-24 09:55:26
Creative Commons license:CC0
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]