AMNH Rosebud 7 ( 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 17451: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Harrison Fm." fauna is regarded as "late middle" Arikareean, pre-Harrison sensu stricto by Stevens 1991
NISP 20 (est.)
Mammalia
 Rodentia - Castoridae
"Capatanka brachyceps" = Fossorcastor brachyceps
"Capatanka brachyceps" = Fossorcastor brachyceps Matthew 1907 beaver
this is the type of "Euhapsis" gaulodon of Matthew 1907, see Macdonald 1963;
 Rodentia - Entoptychidae
Gregorymys curtus Matthew 1907 rodent
 Perissodactyla - Rhinocerotidae
Diceratherium sp. Marsh 1875 rhinoceros
not described
 Perissodactyla - Equidae
Parahippus pristinus n. sp. Osborn 1918 anchitheriine horse
Miohippus cf. gemmarosae Osborn 1918 anchitheriine horse
Miohippus equinanus Osborn 1918 anchitheriine horse
 Artiodactyla - Merycoidodontidae
"Promerycochoerus carrikeri" = Promerycochoerus carrikeri, "Promerycochoerus barbouri" = Promerycochoerus carrikeri, "Promerycochoerus montanus" = Promerycochoerus superbus, Desmatochoerus curvidens
"Promerycochoerus carrikeri" = Promerycochoerus carrikeri Peterson 1907 oreodont
"Promerycochoerus barbouri" = Promerycochoerus carrikeri Peterson 1907 oreodont
"Promerycochoerus montanus" = Promerycochoerus superbus Leidy 1870 oreodont
includes type of "Promerycochoerus montanus pinensis":
Desmatochoerus curvidens Thorpe 1921 oreodont
 Carnivora - Canidae
"Cynodesmus vulpinus n. sp." = Leptocyon vulpinus, "Mesocyon robustus n. sp." = Paraenhydrocyon robustus
"Cynodesmus vulpinus n. sp." = Leptocyon vulpinus Matthew 1907 canine
see Matthew 1907:
"Mesocyon robustus n. sp." = Paraenhydrocyon robustus Matthew 1907 canid
see Matthew 1907;