Pinnacles (Oligocene of the United States)

Where: Pennington County, South Dakota (43.9° N, 102.4° W: paleocoordinates 44.9° N, 94.8° W)

• coordinate based on political unit

When: Poleslide Member (Brule Formation), Whitneyan (33.3 - 30.8 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 17360: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Merycoidodontidae
Leptauchenia decora Leidy 1856 oreodont
N side of Pinnacles, Brule Zone D
Merycoidodon major Leidy 1853 oreodont