Powder River 52-20/21: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia
Rodentia indet. Bowdich 1821
Mammalia - Primates - Microsyopidae
Haplomylus speirianus (Cope 1880)
recombined as Microsyops speirianus
Mammalia - Primates - Notharctidae
Pelycodus mckennai Gingerich and Simons 1977
    = Cantius mckennai Gingerich and Simons 1977
Gingerich and Simons 1977
"P. ralstoni"
Mammalia - Primates - Omomyidae
Tetonius musculus Matthew 1915
    = Omomyidae indet. Gazin 1958
Alroy 2002
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus miticulus (Cope 1874)
    = Hyopsodus sp. Leidy 1870
Alroy 2002
see common names

Geography
Country:United States State/province:Wyoming County:Johnson
Coordinates: 44.0° North, 106.6° West (view map)
Paleocoordinates:48.5° North, 89.4° West
Basis of coordinate:based on political unit
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:"Wasatch"
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Metadata
Database number:16029
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1358. E. Delson. 1971. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast. Bulletin of the American Museum of Natural History 146(4) [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1675 P. D. Gingerich and E. L. Simons. 1977. Systematics, phylogeny, and evolution of early Eocene Adapidae (Mammalia, Primates) in North America. Contributions from the Museum of Paleontology, University of Michigan 24(22):245-279 [J. Alroy/J. Alroy/M. Uhen]