UNSM Sx-6 (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: 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 17219: authorized by John Alroy, entered by John Alroy on 05.08.1996, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• sec 31 T33N R55W, secs 1 and 2 T32N R56W
fauna spans Orella B through D (see)
"Prosciurus parvus" Korth 1989c: "Orella uncertain"
Mammalia
 Artiodactyla - Merycoidodontidae
"Otionohyus wardi" = Merycoidodon culbertsonii Leidy 1848 oreodont
"Genetochoerus periculorum" = Merycoidodon culbertsonii Leidy 1848 oreodont
Miniochoerus affinis Leidy 1869 oreodont
includes their "M. battlecreekensis" and "Stenopsochoerus sternbergi"
Miniochoerus gracilis Leidy 1851 oreodont