UNSM Sx-26 (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: P. Edwards. 1976. The subfamily Leptochoerinae (Artiodactyla, Dichobunidae) of North America (Oligocene). Contributions to Geology, University of Wyoming 14(2):99-113 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17272: 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 D (see)
"Leptochoerus elegans" Edwards 1976a: Orella Mbr.
Mammalia
 Artiodactyla - Leptochoeridae
Leptochoerus supremus Macdonald 1955 even-toed ungulate
lower Orella
 Artiodactyla - Merycoidodontidae
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii2, Miniochoerus affinis1
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii2 Leidy 1848 oreodont
includes their "M. culbertsoni osborni"
Miniochoerus affinis1 Leidy 1869 oreodont
includes their "M. battlecreekensis"