Corral Draw (Middle Titanotherium Beds): Chadronian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Brontotheriidae
Megacerops bucco (Cope 1873)
    = Brontotheriidae indet. Marsh 1873
Alroy 2002
middle beds, "South side of west fork of Corral Draw"
Brontops brachycephalus (Osborn 1902)
middle beds, Middle Corral Draw
Mammalia - Perissodactyla - Rhinocerotidae
Trigonias wellsi Wood 1927
Prothero 2005
"upper Titanotherium beds, Corral Draw, Big Badlands, South Dakota"
Mammalia - Tayassuidae
Perchoerus minor Cook 1922
Prothero 2009
YPM-PU 13599; "3/4 miles southeast of Rock Springs, Corral Draw, Big Badlands, SD, Peanut Peak Member, Chadron Formation"
see common names

Geography
Country:United States State/province:South Dakota County:Shannon
Coordinates: 43.3° North, 102.5° West (view map)
Paleocoordinates:44.6° North, 93.7° 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
Stratigraphic resolution:member
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Taxonomic list comments:relationship of unit to members of Clark and Beerbower 1967 unclear
Metadata
Database number:16937
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1995-10-18 00:00:00 Last modified:2006-09-13 00:39:24
Access level:the public Released:1995-10-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2708. H. F. Osborn. 1929. New Eurasiatic and American proboscideans. American Museum Novitates 393:1-22 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
57282 D. R. Prothero. 2009. The Early Evolution of the North American Peccaries (Artiodactyla: Tayassuidae). Papers on Geology, Vertebrate Paleontology, and Biostratigraphy in Honor of Michael O. Woodburne (Museum of Northern Arizona Bulletin 65) 509-541 [J. Marcot/J. Marcot]