FG-87: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Primates - Notharctidae
Cantius mckennai (Gingerich and Simons 1977)
Clyde 1997
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
Clyde 1997
Mammalia - Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841
Clyde 1997
Mammalia - Phenacodontidae
Phenacodus trilobatus Cope 1881
Clyde 1997
Mammalia - Creodonta - Oxyaenidae
Oxyaena intermedia Denison 1938
Gunnell and Gingerich 1991
Mammalia - Creodonta - Hyaenodontidae
Arfia opisthotoma (Matthew 1901)
Mammalia - Macroscelidea - Apheliscidae
Haplomylus scottianus Gingerich 1994
Clyde 1997
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
Clyde 1997
Reptilia
Allognathosuchus sp. Mook 1921
Clyde 1997
see common names

Geography
Country:United States State/province:Wyoming County:Big Horn
Coordinates: 44.5° North, 108.4° West (view map)
Paleocoordinates:49.3° North, 91.2° 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:55.80000 - 50.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Stratigraphic resolution:group of beds
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-3
Metadata
Database number:15593
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 07:24:47
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]