UNSM Sx-17 (Lower Orella) (Oligocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.6° N, 95.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: lower Orella Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

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 17246: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• apparently on Cottonwood Creek in T33N R53W: Korth 1989a
possibly relevant: "Nanosmilus kurteni" Martin 1992: "Orella Member" (exact level not stated)
fauna spans Orella A through D (see)
Mammalia
 Artiodactyla - Merycoidodontidae
Miniochoerus affinis Leidy 1869 oreodont
includes their "M. battlecreekensis" and "Stenopsochoerus sternbergi"
Miniochoerus gracilis Leidy 1851 oreodont
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont
includes their "M. culbertsoni osborni" and "Genetochoerus periculorum"