Where: Jackson County, South Dakota (43.5° N, 101.9° W: paleocoordinates 44.4° N, 94.3° W)

• coordinate based on political unit

When: Poleslide Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)

• member-level stratigraphic resolution

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 17347: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)