Sharps (SDSM V-5358) (Oligocene of the United States)

Also known as LACM 1966

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 17634: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 44 (including est. 12 Palaeocastor)
Mammalia
 Carnivora - Canidae
"Nothocyon roii" = Cynarctoides roii Macdonald 1963 bone-crushing dog
(see Wang et al. 1999)
Archaeocyon leptodus3 Schlaikjer 1935 bone-crushing dog
Sunkahetanka geringensis Barbour and Schultz 1935 canid
confirmed by Wang 1994
"Mesocyon" cf. temnodon2 Wortman and Matthew 1899 canid
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Perissodactyla - Rhinocerotidae
"Diceratherium cf. gregorii" = Diceratherium armatum
"Diceratherium cf. gregorii" = Diceratherium armatum Marsh 1875 rhinoceros
 Artiodactyla - Merycoidodontidae
"Mesoreodon megalodon" = Desmatochoerus megalodon
"Mesoreodon megalodon" = Desmatochoerus megalodon Peterson 1907 oreodont
 Artiodactyla - Hypertragulidae
"Nanotragulus intermedius" = Nanotragulus loomisi
"Nanotragulus intermedius" = Nanotragulus loomisi Lull 1922 ruminant
(includes estimated 3 maxillaries)
 Rodentia - Castoridae
Palaeocastor sp.1 Leidy 1869 beaver
Capacikala gradatus Cope 1878 beaver
 Lagomorpha - Leporidae
? Megalagus cf. primitivus Schlaikjer 1935 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
Palaeolagus philoi n. sp. Dawson 1958 rabbit
see Dawson 1958
 Primates - Ekgmowechashalidae
Ekgmowechashala philotau Macdonald 1963 primate
 Theriamorpha - Herpetotheriidae
"Peratherium spindleri" = Herpetotherium youngi
"Peratherium spindleri" = Herpetotherium youngi McGrew 1937 marsupial