Sharps (SDSM V-5351) (Oligocene of the United States)

Also known as LACM 1976

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.1° N, 95.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: upper Member (Sharps Formation), Geringian (30.8 - 26.3 Ma)

Environment/lithology: terrestrial

Reposited in the SDSM

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 17627: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 9 (including est. 3 Palaeocastor)
unclassified
  -
Allomyinae indet.1
said to be new; "?Prosciurus dawsonae"
Mammalia
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Artiodactyla - Merycoidodontidae
"Megoreodon hollandi" = Megoreodon grandis
"Megoreodon hollandi" = Megoreodon grandis Douglass 1907 oreodont
 Carnivora - Canidae
Archaeocyon leptodus2 Schlaikjer 1935 bone-crushing dog
 Rodentia - Castoridae
Capacikala gradatus Cope 1878 beaver
Palaeocastor nebrascensis Leidy 1856 beaver
confirmed by Xu 1996