UNSM Sx-4 (Orella B) (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: W. W. Korth. 1986. Aplodontid Rodents of the Genus Pelycomys Galbreath from the Orellan (Middle Oligocene) of Nebraska . Journal of Mammalogy 67(3) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17211: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rodentia - Sciuridae
Cedromus wardi2 Wilson 1949 squirrel
Orella B
 Rodentia - Eomyidae
Adjidaumo minutus1 Cope 1873 rodent
Orella B
 Rodentia - Ischyromyidae
Pelycomys brulanus n. sp. Korth 1986 rodent
Orella B
 Lagomorpha - Leporidae
Palaeolagus haydeni3 Leidy 1856 rabbit
Orella B
Megalagus turgidus3 Cope 1873 rabbit
Orella B
 Carnivora - Canidae
Hesperocyon gregarius4 Cope 1873 canid
Orella B