East of Rockyford (Sharps) (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: C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17501: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• possibly relevant: Leptauchenia major - "Hadroleptauchenia shanafeltae" Schultz and Falkenbach 1968: "8 mi. E. of Rockyford"; stratigraphic provenance uncertain
Mammalia
 Artiodactyla - Merycoidodontidae
Leptauchenia decora Leidy 1856 oreodont