Sand Creek (Chadron/Nebraska): Chadronian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Entelodontidae
Archaeotherium crassum (Marsh 1873)
"Titanotherium beds on Sand Creek, Sioux County"; if county assignment is correct, this is from a three mile stretch of the river
Mammalia - Leptomerycidae
Leptomeryx evansi Leidy 1853
Frick 1937
CM specimen from "the Titanotherium Beds, Sand Creek" in Sioux County
Mammalia - Merycoidodontidae
Merycoidodon culbertsoni (Leidy 1848)
Schultz and Falkenbach 1968
original and current combination Merycoidodon culbertsonii
"Merycoidodon culbertsoni browni": "7 mi. N. and 6 mi. W. of Crawford" in Sioux Co.; this is on Sand Creek
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.8° North, 95.1° 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:37.00000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Chadron
Local section:PineR Local bed:1
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Taxonomic list comments:headwaters about 4 mi S of Toadstool Park, continues E past about 6 mi N of Crawford; runs past multiple Ostrander localities
Metadata
Database number:17018
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1995-10-18 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1995-10-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2753. O. A. Peterson. 1909. A revision of the Entelodontidae. Memoirs of the Carnegie Museum 4(3):1-136 [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]
6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
3069 C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/J. Marcot]