West of Rock Springs Level 4: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia
Rodentia indet. Bowdich 1821
Mammalia - Primates - Microsyopidae
    = Microsyops sp. Leidy 1872
Alroy 2002
"possibly C. latidens"
Mammalia - Perissodactyla - Equidae
Alroy 2002
Mammalia - Condylarthra
said to be a "small form... new condylarth"
Mammalia - Condylarthra - Hyopsodontidae
see common names

Geography
Country:United States State/province:Wyoming County:Sweetwater
Coordinates: 41.7° North, 109.0° West (view map)
Paleocoordinates:49.7° North, 82.2° West (Wright 2013)
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: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wasatch Member:Luman Tongue
Local section:WRock Local bed:4
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:Lysitean?
Metadata
Database number:15894
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
1618. C. L. Gazin. 1965. Early Eocene mammalian faunas and their environment in the vicinity of the Rock Springs Uplift, Wyoming. Wyoming Geological Association Guidebook 19:171-180 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]