UNSM Sx-4 (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 17209: authorized by John Alroy, entered by John Alroy on 05.08.1996, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna spans Orella A through C (see)
Mammalia
 Artiodactyla - Merycoidodontidae
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii, "Otionohyus wardi" = Merycoidodon culbertsonii, "Genetochoerus periculorum" = Merycoidodon culbertsonii, "Miniochoerus (Paraminiochoerus) affinis" = Miniochoerus affinis, "Platyochoerus platycephalus" = Miniochoerus affinis, "Stenopsochoerus sternbergi" = Miniochoerus affinis, "Miniochoerus (Paraminiochoerus) gracilis" = Miniochoerus gracilis
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont
includes their "M. culbertsoni osborni"
"Otionohyus wardi" = Merycoidodon culbertsonii Leidy 1848 oreodont
"Genetochoerus periculorum" = Merycoidodon culbertsonii Leidy 1848 oreodont
"Miniochoerus (Paraminiochoerus) affinis" = Miniochoerus affinis Leidy 1869 oreodont
"Platyochoerus platycephalus" = Miniochoerus affinis Leidy 1869 oreodont
"Stenopsochoerus sternbergi" = Miniochoerus affinis Leidy 1869 oreodont
"Miniochoerus (Paraminiochoerus) gracilis" = Miniochoerus gracilis Leidy 1851 oreodont