UNSM Sx-23 (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 17263: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna spans Orella A through C (see)
Mammalia
 Artiodactyla - Merycoidodontidae
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii, "Miniochoerus battlecreekensis" = Miniochoerus affinis
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont
"Miniochoerus battlecreekensis" = Miniochoerus affinis Leidy 1869 oreodont