UNSM Sx-4 (Above UAZ) (Oligocene to of the United States)

Also known as "Sx-4" possibly a typo?

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.3° N, 97.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: upper Whitney Member (Brule Formation), Whitneyan to Whitneyan (33.3 - 30.8 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17716: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Merycoidodontidae
"Pseudocyclopidius major" = Leptauchenia major
"Pseudocyclopidius major" = Leptauchenia major Leidy 1856 oreodont
"lower Gering"