AMNH Rosebud 15 ( of the United States)

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.1° N, 97.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Harrison Formation, Harrisonian (24.8 - 20.4 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 17455: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 6 (est.)
Mammalia
 Rodentia - Castoridae
Palaeocastor nebrascensis Leidy 1856 beaver
 Carnivora - Canidae
Enhydrocyon crassidens Matthew 1907 canid
 Ungulata - Merycoidodontidae
Desmatochoerus megalodon, "Merycochoerus superbus" = Promerycochoerus superbus, "Merycochoerus carrikeri" = Promerycochoerus carrikeri, "Merycochoerus chelydra" = Promerycochoerus chelydra
Desmatochoerus megalodon Peterson 1907 oreodont
"Merycochoerus superbus" = Promerycochoerus superbus Leidy 1870 oreodont
"Merycochoerus carrikeri" = Promerycochoerus carrikeri Peterson 1907 oreodont
"Merycochoerus chelydra" = Promerycochoerus chelydra Cope 1884 oreodont