Big Red Horizon (TMM 40205): Duchesnean, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Equidae
Mesohippus texanus McGrew 1971
Mammalia - Agriochoeridae
Protoreodon pumilus (Marsh 1875)
Wilson 1971
see common names

Geography
Country:United States State/province:Texas County:Presidio
Coordinates: 29.9° North, 104.2° West (view map)
Paleocoordinates:31.6° North, 95.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Bartonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary
Key time interval:Duchesnean
Age range of interval:40.40000 - 37.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Chambers Tuff
Local section:Vieja Local bed:4
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Museum repositories:TMM
Taxonomic list comments:"5 to approximately 50 feet above the base of the Chambers Tuff" = Big Red Horizon: Wilson 1971a
Metadata
Also known as:Porvenir L.F. (in part)
Database number:16831
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1994-07-26 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1994-07-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2524. P. O. McGrew. 1971. Epihippus from the Vieja Group, Trans-Pecos Texas. Pearce-Sellards Series 18 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

3661 J. A. Wilson. 1971. Early Tertiary vertebrate faunas, Vieja Group. Trans-Pecos Texas: Agriochoeridae and Merycoidodontidae. Texas Memorial Museum Bulletin 18:1-83 [J. Alroy/J. Alroy/J. Alroy]