Little Badlands (Brule Zone A): Orellan, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Camelidae
Poebrotherium wilsoni Leidy 1847
Prothero 1996
"Little Badlands, Stark Co. ... early Orellan"
Mammalia - Merycoidodontidae
Merycoidodon culbertsoni (Leidy 1848)
Schultz and Falkenbach 1968
original and current combination Merycoidodon culbertsonii
"lower part of the Nodular Zone, south of Southheart"; includes their "M. culbertsoni osborni" from "7-10 mi. S. of South Heart" and "Otionohyus wardi" from 7 mi. S of South Heart, both Brule Zone A
Mammalia - Carnivora - Canidae
Hesperocyon gregarius (Cope 1873)
Wang 1994
secs 13 and 14, T138N R98W multiple specimens from 5 - 20 ft "above base of nodules" and 4 - 10 ft "above White Marker Layer"
Mammalia - Rodentia - Eutypomyidae
Eutypomys hibernodus n. sp. Korth 2000
"10 feet above base of nodules; 7 miles south of South Heart"
see common names

Geography
Country:United States State/province:North Dakota County:Stark
Coordinates: 46.9° North, 102.8° West (view map)
Paleocoordinates:48.0° North, 94.2° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
*Period:Tertiary
Key time interval:Orellan
Age range of interval:33.90000 - 31.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphic resolution:member
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Taxonomic list comments:F:AM locality from a restricted area
"Eutypomys thomsoni" Wahlert 1977: "7 miles south of South Heart, Stark Co." and "Little Badlands, Stark Co."; "Orellan," level not indicated; definitely not the same specimen as E. hibernodus type of Korth 2000b

"Leptomeryx evansi" Heaton and Emry 1996: Little Badlands, ND, level not indicated
Metadata
Database number:17128
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1996-08-05 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1996-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2141. W. W. Korth. 2000. A new species of Eutypomys Matthew (Rodentia, Eutypomyidae) from the Orellan (Oligocene) and reevaluation of “Eutypomys” magnus Wood. Paludicola 2(4):273-278 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

28055% 6280D. R. Prothero. 1996. Camelidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 609-651 [J. Alroy/J. Alroy/J. Marcot]
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]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]