Sharps (SDSM V-542) (Oligocene of the United States)

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: 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 17642: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• "lower part" of Fm., less than 100' above SDSM V-549, which is said to be in the RFA; however, it cannot be determined if this is in Sharps Fauna A or B of Tedford et al. 1985 because their measured section is at least 100' longer than Macdonald's
NISP 14 (including est. 4 Palaeocastor)
Mammalia
 Carnivora - Canidae
"Mesocyon" temnodon3 Wortman and Matthew 1899 canid
 Perissodactyla - Rhinocerotidae
"Diceratherium gregorii" = Diceratherium armatum
"Diceratherium gregorii" = Diceratherium armatum Marsh 1875 rhinoceros
 Artiodactyla - Agriochoeridae
Agriochoerus sp. Leidy 1850 agriochoerid
 Theriamorpha - Proscalopidae
Proscalops sp.2 Matthew 1901 placental
 Lagomorpha - Leporidae
Palaeolagus philoi Dawson 1958 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
 Rodentia - Cricetidae
Paciculus woodi1 Macdonald 1963 mouse
 Rodentia - Castoridae
Capatanka sp.1 Macdonald 1963 beaver
Palaeocastor sp.1 Leidy 1869 beaver