Monroe Creek (AMNH Rosebud 12) (Oligocene of the United States)

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.1° N, 96.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Monroe Creek Formation, Monroecreekian (26.3 - 24.8 Ma)

Environment/lithology: terrestrial

Reposited in the AMNH

Primary reference: J. R. Macdonald. 1970. Review of the Miocene Wounded Knee faunas of southwestern South Dakota. Bulletin of the Los Angeles County Museum of Natural History, Science 8:165-82 [J. Alroy/J. Alroy/C. Bell]more details

PaleoDB collection 17547: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• a.k.a. "3 miles below Porcupine" of early AMNH collection
Mammalia
 Artiodactyla - Merycoidodontidae
Leptauchenia decora2, "Merycochoerus superbus" = Promerycochoerus superbus1
Leptauchenia decora2 Leidy 1856 oreodont
"Merycochoerus superbus" = Promerycochoerus superbus1 Leidy 1870 oreodont
 Carnivora - Canidae
Enhydrocyon crassidens n. sp. Matthew 1907 canid
see Matthew 1907
 Rodentia - Castoridae
Fossorcastor brachyceps1 Matthew 1907 beaver