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 - Cricetidae
Leidymys blacki1 Macdonald 1963 mouse
 Rodentia - Aplodontidae
Campestrallomys dawsonae1 Macdonald 1963 mountain beaver
 Rodentia - Florentiamyidae
Fanimus clasoni1 Macdonald 1963 rodent
 Rodentia - Heteromyidae
Proheteromys gremmelsi n. sp. Macdonald 1963 rodent
 Rodentia - Castoridae
Capatanka sp.1 Macdonald 1963 beaver
Capacikala gradatus Cope 1878 beaver
Palaeocastor peninsulatus3 Cope 1881 beaver
presumably "P. nebrascensis"
 Rodentia - Mylagaulidae
Crucimys milleri1 Macdonald 1970 rodent
 Lagomorpha - Leporidae
Palaeolagus philoi Dawson 1958 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Tribosphenida - Proscalopidae
Proscalops evelynae2 Macdonald 1963 placental
 Carnivora - Canidae
Enhydrocyon crassidens Matthew 1907 canid
 Ungulata - Camelidae
Camelidae indet.1 Gray 1821 camel
Oxydactylus cf. wyomingensis Loomis 1936 camel
 Ungulata - Hypertragulidae
Nanotragulus loomisi1 Lull 1922 ruminant
 Ungulata - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant