UNSM Sx-14 (Lower Orella) (Oligocene of the United States)

Also known as Meng Ranch, in part

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: W. W. Korth. 1987. Sciurid rodents (Mammalia) from the Chadronian and Orellan (Oligocene) of Nebraska. Journal of Paleontology 61(6):1247-1255 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17238: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• secs 7, 18 T33N R53W and sec 12 T33N R54W
fauna spans Orella A through D (see)
possibly relevant: Parictis sp. Hunt 1998a: "Orella Member... sects. 12 and 14, T33N, R54W, Sioux County" Daphoenus sp. Hunt 1998b: "Orella Member... Sect. 11, T.#3N, R.54W, Sioux Co."
Mammalia
 Carnivora - Amphicyonidae
Paradaphoenus minimus1 Hough 1948 bear-dog
"Orella Member, UNSM Loc. Sx-14"
 Artiodactyla - Merycoidodontidae
Miniochoerus gracilis3, "Paramerycoidodon georgei" = Merycoidodon culbertsonii4
Miniochoerus gracilis3 Leidy 1851 oreodont
"Paramerycoidodon georgei" = Merycoidodon culbertsonii4 Leidy 1848 oreodont
 Lagomorpha - Leporidae
"Procaprolagus gazini" = Desmatolagus gazini2
"Procaprolagus gazini" = Desmatolagus gazini2 Burke 1936 rabbit
lower Orella
 Rodentia - Sciuridae
Protosciurus mengi n. sp. Black 1963 squirrel
lower Orella