Sand Gulch: Harrisonian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Camelidae
Stenomylus gracilis Peterson 1907
Frick and Taylor 1968
"Marsland"; "high"
Mammalia - Merycoidodontidae
Phenacocoelus stouti Schultz and Falkenbach 1950
Schultz and Falkenbach 1950
recombined as Merycoides stouti
"Sand Gulch (near Wolf Ranch), Goshen County"; implicitly "lower Marsland"
Merychyus minimus Peterson 1907
Schultz and Falkenbach 1947
middle level
Merychyus arenarum Cope 1884
Schultz and Falkenbach 1947
Mammalia - Perissodactyla - Rhinocerotidae
Menoceras arikarense (Barbour 1906)
Prothero 2005
Mammalia - Carnivora - Canidae
Desmocyon thomsoni (Matthew 1907)
Wang et al. 1999
"high in section" and "south end"
Phlaocyon minor (Matthew 1907)
Wang et al. 1999
Mammalia - Rodentia - Entoptychidae
Gregorymys riggsi Wood 1936
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, 99.2° West
Basis of coordinate:based on political unit
Time
10 m.y. bin:Cenozoic 4-5
*Period:Tertiary *Epoch:Miocene
Key time interval:Harrisonian
Age range of interval:23.10000 - 18.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Hemingford Formation:Marsland
Stratigraphic resolution:group of beds
Stratigraphy comments: = Upper Harrison beds
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Taxonomic list comments:not the same as Eighteen Mile District (see)
Metadata
Database number:17835
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:M. Carrano Research group:vertebrate
Created:1994-06-07 00:00:00 Last modified:2018-02-05 13:50:35
Access level:the public Released:1994-06-07 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3530. J. H. Wahlert and R. A. Souza. 1988. Skull morphology of Gregorymys and relationships of the Entoptychinae (Rodentia, Geomyidae). American Museum Novitates 2922:1-13 [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]
1549 C. Frick and B. E. Taylor. 1968. A Generic Review of the Stenomyline Camels. American Museum Novitates 2353:1-51 [J. Alroy/J. Alroy/B. Beatty]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3064 C. B. Schultz and C. H. Falkenbach. 1947. Merychyinae, a subfamily of oreodonts. Bulletin of the American Museum of Natural History 88(4):157-286 [J. Alroy/J. Alroy/J. Marcot]
3066 C. B. Schultz and C. H. Falkenbach. 1950. Phenacocoelinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 95(3) [J. Alroy/J. Alroy/J. Ju]
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]