NF-4: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuravidae
Sciuravidae indet. Miller and Gidley 1918
Mammalia - Primates - Microsyopidae
Gunnell 1989
Mammalia - Phenacodontidae
Mammalia - Perissodactyla - Brontotheriidae
Mammalia - Perissodactyla - Palaeotheriidae
Mammalia - Viverravidae
see common names

Geography
Country:United States State/province:Wyoming County:Sublette
Coordinates: 42.7° North, 110.1° West (view map)
Paleocoordinates:50.9° North, 83.0° West (Wright 2013)
Basis of coordinate:based on political unit
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: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wasatch Member:Alkali Creek Tongue
Local section:GRBsn Local bed:2
Local order:bottom to top
Stratigraphy comments: originally "Western Facies" of the "New Fork Tongue Member"
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:17 specimens
Metadata
Database number:15711
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy 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:
3596. R. M. West. 1973. Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming. Fieldiana: Geology 29 [J. Alroy/J. Alroy]

Secondary references:

1730 G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion]