South Cave Hills: Chadronian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Brontotheriidae
Brontotheriidae indet. (Marsh 1873)
Mammalia - Perissodactyla - Equidae
Mesohippus sp. Marsh 1875
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
    = Leptomerycidae indet. Zittel 1893
Alroy 2002
see common names

Geography
Country:United States State/province:South Dakota County:Harding
Coordinates: 45.5° North, 103.1° West (view map)
Paleocoordinates:46.8° North, 94.0° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary
Key time interval:Chadronian
Age range of interval:37.20000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Chadron
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:IDs by Lewis
Metadata
Database number:17021
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:

1362. N. M. Denson and J. R. Gill. 1965. Uranium-bearing lignite and carbonaceous shale in the southwestern part of the Williston Basin - a regional study, with a section on heavy minerals in Cretaceous and Tertiary rocks associated with uranium occurrences. United States Geological Survey Professional Paper 463:1-75 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

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