UNSM Sx-12 (Whitney A) (Oligocene of the United States)

Also known as Meng Ranch, in part

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.4° N, 96.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: W. W. Korth. 1989. Aplodontid Rodents (Mammalia) from the Oligocene (Orellan and Whitneyan) Brule Formation, Nebraska. Journal of Vertebrate Paleontology 9(4):400-414 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17409: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• oreodonts are from "Brule Zone C"
Show authors, comments, and common names
Mammalia
 Artiodactyla - Leptochoeridae
Leptochoerus spectabilis2
Leptochoerus spectabilis2 Leidy 1856 even-toed ungulate
Whitney A
 Artiodactyla - Merycoidodontidae
Miniochoerus starkensis1, Merycoidodon major1, Leptauchenia decora1
Miniochoerus starkensis1 Schultz and Falkenbach 1956 oreodont
Merycoidodon major1 Leidy 1853 oreodont
Leptauchenia decora1 Leidy 1856 oreodont
 Rodentia - Aplodontidae
Oropyctis pediasius n. sp.
Oropyctis pediasius n. sp. Korth 1989 mountain beaver
Whitney A
1Alroy 2002; 2Edwards 1976