Sharps (SDSM V-5362) (Oligocene of the United States)

Also known as "The Needle"; LACM 1975

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 17638: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• Martin 1986 states that there is no locality SDSM V-6263; this is just a lapsus for SDSM V-5362
NISP 34 (including est. 10 Palaeocastor)
Mammalia
 Rodentia - Florentiamyidae
"Sanctimus clasoni" = Fanimus clasoni
"Sanctimus clasoni" = Fanimus clasoni Macdonald 1963 rodent
 Rodentia - Aplodontidae
"Prosciurus dawsonae" = Campestrallomys dawsonae
"Prosciurus dawsonae" = Campestrallomys dawsonae Macdonald 1963 mountain beaver
 Rodentia - Heteromyidae
Proheteromys gremmelsi n. sp. Macdonald 1963 rodent
 Rodentia - Castoridae
Palaeocastor peninsulatus3 Cope 1881 beaver
presumably "P. nebrascensis"
Capacikala gradatus Cope 1878 beaver
Capatanka sp.1 Macdonald 1963 beaver
 Rodentia - Mylagaulidae
"Meniscomys milleri n. sp." = Crucimys milleri
"Meniscomys milleri n. sp." = Crucimys milleri Macdonald 1970 rodent
see also Rensberger 1980
 Rodentia - Cricetidae
"Eumys blacki n. sp." = Leidymys blacki
"Eumys blacki n. sp." = Leidymys blacki Macdonald 1963 mouse
see Martin 1986
 Lagomorpha - Leporidae
Palaeolagus hypsodus Schlaikjer 1935 rabbit
Palaeolagus philoi Dawson 1958 rabbit
 Theriamorpha - Proscalopidae
Proscalops evelynae2 Macdonald 1963 placental
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Artiodactyla - Camelidae
Camelidae indet.1 Gray 1821 camel
Oxydactylus cf. wyomingensis Loomis 1936 camel
 Artiodactyla - Hypertragulidae
Nanotragulus loomisi1 Lull 1922 ruminant
 Artiodactyla - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant
 Carnivora - Canidae
Enhydrocyon crassidens Matthew 1907 canid