FG-103: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Allognathosuchus sp. Mook 1921
Clyde 1997
Reptilia - Testudines
Testudines indet. Batsch 1788
Clyde 1997
Mammalia - Coryphodontidae
Coryphodon eocaenus Owen 1846
Clyde 1997
Mammalia - Esthonychidae
Esthonyx spatularius Cope 1880
Clyde 1997
Mammalia - Macroscelidea - Apheliscidae
Haplomylus speirianus (Cope 1880)
Clyde 1997
Mammalia - Acreodi - Mesonychidae
Dissacus sp. Cope 1881
Clyde 1997
Mammalia - Creodonta - Hyaenodontidae
Arfia shoshoniensis (Matthew and Granger 1915)
Prototomus martis n. sp. Gingerich and Deutsch 1989
Mammalia - Creodonta
Prolimnocyon atavus Matthew and Granger 1915
Mammalia - Creodonta - Oxyaenidae
Gunnell and Gingerich 1991
Mammalia
Miacis deutschi Gingerich 1983
Clyde 1997
Mammalia - Perissodactyla - Equidae
Hyracotherium grangeri Gingerich 1989
Clyde 1997
recombined as Sifrhippus grangeri
Mammalia - Perissodactyla
Homogalax planeticus Gingerich 1980
Clyde 1997
synonym of Cardiolophus radinskyi
Mammalia - Phenacodontidae
Phenacodus sp. Cope 1873
Clyde 1997
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
Clyde 1997
Mammalia - Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
Clyde 1997
Mammalia - Primates - Notharctidae
Cantius mckennai (Gingerich and Simons 1977)
Clyde 1997
Mammalia - Primates - Omomyidae
Tetonius sp. Matthew 1915
Clyde 1997
see common names

Geography
Country:United States State/province:Wyoming County:Big Horn
Coordinates: 44.5° North, 108.3° West (view map)
Paleocoordinates:49.3° North, 91.1° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
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
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 excludes:some genera
Collection methods:surface (float),surface (in situ),survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:UMMP
Taxonomic list comments:Wa-2
Metadata
Database number:15594
Authorizer:J. Alroy, W. Clyde Enterer:J. Alroy, L. Gannon
Modifier:G. Varnham Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2022-02-15 07:18:45
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1666. P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

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]
1745 G. F. Gunnell and P. D. Gingerich. 1991. Systematics and Evolution of Late Paleocene and Early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(7):141-180 [J. Alroy/J. Alroy/J. Marcot]