White Buttes (Chadronian): Chadronian, North Dakota

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Trionyx punctiger n. sp. Cope 1891
Vitek and Joyce 2015
nomen dubium belonging to Pantrionychidae
Mammalia - Carnivora - Canidae
Hesperocyon gregarius (Cope 1873)
"block of dark bentonite from west side of Chalking Buttes, Chadronian (?)"
see common names

Country:United States State/province:North Dakota County:Stark
Coordinates: 46.9° North, 102.8° West (view map)
Paleocoordinates:48.2° North, 93.5° West
Basis of coordinate:based on political unit
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
Key time interval:Chadronian
Age range of interval:37.20000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Lithology and environment
Environment:terrestrial indet.
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Database number:17042
Authorizer:J. Alroy, P. Mannion Enterer:J. Alroy, P. Mannion
Modifier:J. Alroy Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2006-09-13 00:34:39
Access level:the public Released:2002-05-15 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:

63467 N. S. Vitek and W. G. Joyce. 2015. A Review of the Fossil Record of New World Turtles of the Clade Pan-Trionychidae. Bulletin of the Peabody Museum of Natural History 56(2):185-244 [P. Mannion/P. Mannion]