Sheep Mountain (Sharps A) (Oligocene of the United States)

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.1° N, 95.8° W)

• coordinate based on political unit

When: Sharps Formation, Geringian (30.8 - 26.3 Ma)

Environment/lithology: terrestrial

Primary reference: 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]more details

PaleoDB collection 17663: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• possibly relevant: Cynarctoides lemur Wang et al. 1999: "Shannon County... lower part of Sharps Formation, 12 ft above the Rockyford Ash"
 Carnivora - Canidae
Archaeocyon pavidus Stock 1933 bone-crushing dog
"Southeast corner of Sheep Mountain in lower part of Sharps Formation... 15 ft above base of Rockyford Ash"; second specimen "18 ft above the base of the Rockyford Ash"
 Artiodactyla - Merycoidodontidae
Leptauchenia major Leidy 1856 oreodont
Leptauchenia decora Leidy 1856 oreodont