MP-197: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Allognathosuchus sp. Mook 1921
specimens
Reptilia - Lacertilia
Lacertilia indet. Owen 1842
specimens
Mammalia - Esthonychidae
Esthonyx spatularius Cope 1880
4 specimens
Mammalia - Pantolestidae
Palaeosinopa sp. Matthew 1901
1 specimen
Mammalia - Coryphodontidae
Coryphodon eocaenus Owen 1846
1 specimen
Mammalia - Insectivora
Insectivora indet. Bowdich 1821
1 specimen
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus loomisi McKenna 1960
4 specimens
Mammalia - Creodonta - Hyaenodontidae
Arfia shoshoniensis (Matthew and Granger 1915)
2 specimens
Mammalia - Acreodi - Mesonychidae
Pachyaena ossifraga Cope 1874
1 specimen
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
1 specimen
Ectocion osbornianus (Cope 1882)
1 specimen
Mammalia - Perissodactyla - Equidae
Hyracotherium grangeri Gingerich 1989
24 specimens
recombined as Sifrhippus grangeri
Mammalia - Perissodactyla
Cardiolophus radinskyi Gingerich 1991
1 specimen
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
3 specimens
Mammalia - Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
2 specimens
Mammalia - Rodentia - Ischyromyidae
Paramys copei Loomis 1907
1 specimen
Paramys taurus Korth 1984
2 specimens
Mammalia - Primates - Microsyopidae
Haplomylus speirianus (Cope 1880)
4 specimens
recombined as Microsyops speirianus
Mammalia - Primates - Notharctidae
Cantius mckennai (Gingerich and Simons 1977)
5 specimens
Actinopteri - Amiiformes - Amiidae
Amia sp. Linnaeus 1766
specimens
Pisces
Pisces indet. Linnaeus 1758
specimens
synonym of Osteichthyes
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 44.7° North, 108.8° West (view map)
Paleocoordinates:49.5° 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:55.80000 - 50.30000 m.y. ago
Stratigraphy
Formation:Willwood
Local section:Willwood Draw North Local bed:30
Regional section:MP Northwest Regional bed:30
Stratigraphic resolution:group of beds
Stratigraphy comments: Wa-2
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:46768
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]