Pass Creek: Chadronian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Equidae
Mesohippus sp. Marsh 1875
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Perissodactyla - Brontotheriidae
Brontotheriidae indet. (Marsh 1873)
see common names

Geography
Country:United States State/province:Wyoming County:Johnson
Coordinates: 44.0° North, 106.6° West (view map)
Paleocoordinates:45.5° North, 97.8° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary *Local age/stage:Chadronian
Key time interval:Chadronian
Age range of interval:37.00000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: said to be Chadronian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Metadata
Database number:17004
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2541. M. C. McKenna and J. D. Love. 1972. High-level Strata Containing Early Miocene Mammals on the Bighorn Mountains, Wyoming. American Museum Novitates 2490:1-31 [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]