Sharps (SDSM V-544) (Oligocene of the United States)

Also known as LACM 1959

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: middle 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 17644: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 39 (including est. 10 Palaeocastor)
Mammalia
 Rodentia - Cricetidae
Geringia mcgregori1 Macdonald 1970 mouse
 Rodentia - Geomyidae
Entoptychus sp.2 Cope 1878 pocket gopher
 Rodentia - Florentiamyidae
Hitonkala andersontau Macdonald 1963 rodent
 Rodentia - Castoridae
Palaeocastor nebrascensis Leidy 1856 beaver
confirmed by Xu 1996
Palaeocastor peninsulatus5 Cope 1881 beaver
 Rodentia - Allomyidae
Downsimus chadwicki n. sp. Macdonald 1970 rodent
 Lagomorpha - Leporidae
Palaeolagus philoi Dawson 1958 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
 Carnivora - Canidae
Philotrox condoni3 Merriam 1906 canid
Cynarctoides roii1 Macdonald 1963 bone-crushing dog
Archaeocyon leptodus4 Schlaikjer 1935 bone-crushing dog
 Carnivora - Nimravidae
"Pogonodon eileenae" = Pogonodon davisi1
"Pogonodon eileenae" = Pogonodon davisi1 Merriam 1906 false sabre-tooth
 Carnivora -
Palaeogale dorothiae Macdonald 1963 carnivoran
(described but omitted from list)
 Ungulata - Merycoidodontidae
Leptauchenia major1 Leidy 1856 oreodont
 Ungulata - Tayassuidae
Thinohyus sp.1 Marsh 1875 peccary
 Ungulata - Leptochoeridae
Leptochoerus sp. Leidy 1856 even-toed ungulate
 Ungulata - Anthracotheriidae
Arretotherium sp. Douglass 1902 anthracothere
 Ungulata - Hypertragulidae
Nanotragulus loomisi1 Lull 1922 ruminant