MP-148: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
Clyde 1997
Mammalia - Creodonta - Hyaenodontidae
Prototomus martis Gingerich and Deutsch 1989
1 specimen
Mammalia - Perissodactyla - Equidae
Hyracotherium pernix (Marsh 1876)
Clyde 1997 12 specimens
recombined as Arenahippus pernix
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
Clyde 1997 11 specimens
Mammalia - Phenacodontidae
Phenacodus trilobatus Cope 1881
Clyde 1997 1 specimen
Phenacodus intermedius Granger 1915
Clyde 1997 1 specimen
Mammalia - Macroscelidea - Apheliscidae
Haplomylus scottianus Gingerich 1994
Gingerich 1994 1 specimen
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus latidens Denison 1937
Clyde 1997 2 specimens
Mammalia - Coryphodontidae
Coryphodon radians (Cope 1872)
Clyde 1997 1 specimen
Reptilia
Allognathosuchus sp. Mook 1921
Clyde 1997
Actinopteri - Amiiformes - Amiidae
Amia sp. Linnaeus 1766
Clyde 1997
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.6° North, 108.6° West (view map)
Paleocoordinates:49.4° North, 91.4° 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
Local section:Foster Gulch - Y U Bench Local bed:545
Local order:bottom to top
Regional section:Southeast Regional bed:1740
Regional order:bottom to top
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:may be in Big Horn County, Wa-4
Metadata
Database number:15698
Authorizer:J. Alroy, W. Clyde Enterer:J. Alroy, W. Clyde, L. Gannon
Modifier:G. Varnham Research group:vertebrate
Created:1997-04-12 00:00:00 Last modified:2022-02-15 07:37:44
Access level:the public Released:1997-04-12 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]
1662 P. D. Gingerich. 1994. New species of Apheliscus, Haplomylus, and Hyopsodus (Mammalia, Condylarthra) from the late Paleocene of southern Montana and early Eocene of northwestern Wyoming. Contributions from the Museum of Paleontology, University of Michigan 29(6):119-134 [J. Alroy/J. Alroy/K. Beard]