French Creek: Chadronian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Brontotheriidae
Brontotherium sp. Marsh 1873
    = Brontotheriidae indet. Marsh 1873
Alroy 2002
may include "Teleodus avus" type of Marsh 1890, according to Lucas and Schoch 1982 from "5 miles west of the Cheyenne River midway between French and Battle Creek" in the lower Chadron
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856
Mammalia - Entelodontidae
Archaeotherium marshi n. sp. Troxell 1920
also reported by Sinclair 1922a and Scott 1940
? Megachoerus latidens n. sp. Troxell 1920
Scott 1940
from "Probably upper Brule... Cheyenne River, a few miles E. of Battle Creek, So. Dak."
Mammalia - Protoceratidae
Heteromeryx dispar Matthew 1905
Wilson 1974
FMNH specimen from "Battle Creek Breaks, Custer Co." in Ahearn Mbr.
Mammalia - Carnivora - Subparictidae
Parictis dakotensis Clark 1936
Clark and Guensburg 1972
recombined as Subparictis dakotensis
Chadron Fm., Stebbins Ranch between Battle and French Creeks, near Folsom, Custer Co.
see common names

Geography
Country:United States State/province:South Dakota County:Custer
Coordinates: 43.8° North, 103.1° West (view map)
Paleocoordinates:45.1° North, 94.2° 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
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:presumably this is in the Badlands
"Lower Oligocene"; "north bank of the Cheyenne River between French and Battle creeks"; French Creek is west of Battle Creek Canyon
Metadata
Database number:16969
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3451. E. L. Troxell. 1920. Entelodonts in the Marsh Collection; Part III. The larger genera and species. American Journal of Science 50(300):431-445 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1238 J. Clark and T. E. Guensburg. 1972. Arctoid genetic characters as related to the genus Parictis. Fieldiana 26(1):1-71 [J. Alroy/J. Alroy/J. Marcot]
3091 W. B. Scott. 1940. The mammalian fauna of the White River Oligocene; Part 4, Artiodactyla; Part 5, Perissodactyla. Transactions of the American Philosophical Society 28(4):363-746 [J. Alroy/J. Alroy]
3663 J. A. Wilson. 1974. Early Tertiary Vertebrate Faunas, Vieja Group and Buck Hill Group, Trans-Pecos Texas: Protoceratidae, Camelidae, Hypertragulidae. Bulletin of the Texas Memorial Museum 23:1-24 [J. Alroy/J. Alroy/J. Marcot]