Horse Creek (Wyoming) ( of the United States)

Where: Goshen County, Wyoming (42.0° N, 104.2° W: paleocoordinates 42.9° N, 98.4° W)

• coordinate based on political unit

When: Arikareean (29.5 - 18.5 Ma)

Environment/lithology: terrestrial

Primary reference: 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]more details

PaleoDB collection 17524: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• could be almost anywhere in the Goshen Hole but probably close to Sixty-Six Mountain or Bear Creek Mountain
Mammalia
 Carnivora - Canidae
Archaeocyon leptodus5 Schlaikjer 1935 bone-crushing dog
"Horse Creek area, lower Arikaree Group... Goshen County"
 Artiodactyla - Merycoidodontidae
"Desmatochoerus (Paradesmatochoerus) wyomingensis" = Mesoreodon minor3, Pseudodesmatochoerus milleri3, "Mesoreodon megalodon" = Desmatochoerus megalodon2
"Desmatochoerus (Paradesmatochoerus) wyomingensis" = Mesoreodon minor3 Douglass 1903 oreodont
Pseudodesmatochoerus milleri3 Schultz and Falkenbach 1954 oreodont
Horse Creek basin, Goshen Co.
"Mesoreodon megalodon" = Desmatochoerus megalodon2 Peterson 1907 oreodont
"Horse Creek area, Goshen County"
 Artiodactyla - Camelidae
Pseudolabis dakotensis1 Matthew 1904 camel
"Horse Creek, Willow Creek area, Goshen Co."
 Rodentia - Florentiamyidae
"Florentiamys kennethi" = Florentiamys tiptoni4
"Florentiamys kennethi" = Florentiamys tiptoni4 Macdonald 1970 rodent
"Horse Creek, Goshen Co., Wyo.; Gering Formation"
 Rodentia - Castoridae
Palaeocastor nebrascensis Leidy 1856 beaver
"Lusk 276-2252, Horse Creek"; apparently an AMNH field number