Horse Creek (Wyoming): Arikareean, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Florentiamyidae
Florentiamys kennethi Wahlert 1983
Wahlert 1983
(6 measurements)
    = Sanctimus stuartae Macdonald 1970
Alroy 2002
"Horse Creek, Goshen Co., Wyo.; Gering Formation"
Mammalia - Rodentia - Castoridae
Palaeocastor nebrascensis (Leidy 1856)
"Lusk 276-2252, Horse Creek"; apparently an AMNH field number
Mammalia - Carnivora - Canidae
Archaeocyon leptodus (Schlaikjer 1935)
Wang et al. 1999
"Horse Creek area, lower Arikaree Group... Goshen County"
Mammalia - Ungulata - Merycoidodontidae
Mesoreodon megalodon Peterson 1907
Schultz and Falkenbach 1949
    = Desmatochoerus megalodon Peterson 1907
Alroy 2002
"Horse Creek area, Goshen County"
Desmatochoerus (Paradesmatochoerus) wyomingensis Schultz and Falkenbach 1954
Schultz and Falkenbach 1954
synonym of Mesoreodon minor
Pseudodesmatochoerus milleri Schultz and Falkenbach 1954
Schultz and Falkenbach 1954
    = Merycoidodon major Leidy 1853
Alroy 2002
recombined as Merycoidodon (Otarohyus) major
Horse Creek basin, Goshen Co.
Mammalia - Ungulata - Camelidae
Pseudolabis dakotensis Matthew 1904
Prothero 1996
"Horse Creek, Willow Creek area, Goshen Co."
see common names

Geography
Country:United States State/province:Wyoming County:Goshen
Coordinates: 42.0° North, 104.2° West (view map)
Paleocoordinates:42.9° North, 98.4° West
Basis of coordinate:based on political unit
Time
*Period:Tertiary *Epoch:Oligocene
Key time interval:Arikareean
Age range of interval:30.80000 - 20.43000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Taxonomic list comments:could be almost anywhere in the Goshen Hole but probably close to Sixty-Six Mountain or Bear Creek Mountain
Metadata
Database number:17524
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3779. X. Xu. 1996. Castoridae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 412-432 [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. Uhen]
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]
3065 C. B. Schultz and C. H. Falkenbach. 1949. Promerycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 93(3):69-198 [J. Alroy/J. Alroy/J. Marcot]
3067 C. B. Schultz and C. H. Falkenbach. 1954. Desmatochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 105(2) [J. Alroy/J. Alroy/J. Ju]
3528 J. H. Wahlert. 1983. Relationships of the Florentiamyidae (Rodentia, Geomyoidea) based on cranial and dental morphology. American Museum Novitates 2769:1-23 [J. Alroy/J. Alroy/J. Marcot]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]