MP-241: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Didelphodus absarokae (Cope 1881)
1 specimen
Mammalia - Apatemyidae
Apatemys ? bellus Marsh 1872
1 specimen
Mammalia - Coryphodontidae
Coryphodon armatus (Cope 1872)
1 specimen
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
5 specimens
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus lysitensis Gingerich 1974
23 specimens
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
1 specimen
Mammalia - Perissodactyla - Equidae
Hyracotherium pernix (Marsh 1876)
27 specimens
recombined as Arenahippus pernix
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
2 specimens
Heptodon calciculus (Cope 1880)
1 specimen
Cardiolophus semihians (Cope 1882)
2 specimens
Mammalia - Procreodi - Arctocyonidae
Chriacus gallinae Matthew and Granger 1915
1 specimen
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
5 specimens
Mammalia - Primates - Notharctidae
Cantius abditus (Gingerich and Simons 1977)
2 specimens
Mammalia - Primates - Microsyopidae
Microsyops latidens (Cope 1882)
1 specimen
Reptilia - Testudines
Hadrianus sp. Cope 1872
specimens
Reptilia
Allognathosuchus sp. Mook 1921
specimens
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 44.4° North, 108.7° West (view map)
Paleocoordinates:49.2° North, 91.6° 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:East Y U Bench Local bed:1210
Regional section:MP Southeast Regional bed:2405
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:46810
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]