Southwestern End of Seamen Hills (Chadronian): Chadronian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Ursidae
Parictis gilpini Clark and Guensburg 1972
Clark and Guensburg 1972
Chadron Fm., SW side of "Seemen Hills" in Niobrara Co.
Mammalia - Carnivora - Canidae
Hesperocyon gregarius (Cope 1873)
15 ft below PWL
Mammalia - Merycoidodontidae
Merycoidodon culbertsoni (Leidy 1848)
Schultz and Falkenbach 1968
original and current combination Merycoidodon culbertsonii
"Merycoidodon culbertsoni browni": SW end of Seamen Hills
Stenopsochoerus chadronensis n. sp. Schultz and Falkenbach 1956
Schultz and Falkenbach 1956
recombined as Miniochoerus chadronensis
SW end of Seamen Hills; includes their "S. douglasensis" from SW end of Seamen Hills and type of "S. reideri" from Seamen Hills
see common names

Geography
Country:United States State/province:Wyoming County:Niobrara
Coordinates: 43.0° North, 104.5° West (view map)
Paleocoordinates:44.4° North, 95.8° 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
Local section:WRGWY Local bed:7
Local order:bottom to top
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:"Miniochoerus forsythae" Stevens and Stevens 1996: new specimens not discussed by Schultz and Falkenbach; 15-30' below "upper purplish white" layer in Seamen Hills; no further data given
Metadata
Database number:17024
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1996-08-05 00:00:00 Last modified:2006-09-13 00:34:39
Access level:the public Released:1996-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

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]

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]
3068 C. B. Schultz and C. H. Falkenbach. 1956. Miniochoerinae and Oreonetinae two new subfamilies of oreodonts. Bulletin of the American Museum of Natural History 109(4):373-482 [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]