Sharps (SDSM V-541) (Oligocene of the United States)

Also known as LACM 1955

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 17641: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Chris Bell and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 88 (including est. 25 Palaeocastor)
Mammalia
 Carnivora - Canidae
Philotrox condoni5 Merriam 1906 canid
"Mesocyon" cf. temnodon5 Wortman and Matthew 1899 canid
Sunkahetanka geringensis Barbour and Schultz 1935 canid
confirmed by Wang 1994
Leptocyon douglassi4 Tedford et al. 2009 canine
includes "Nothocyon geismarianus" and "Cormocyon sp." of of Wang and Tedford 1992 according to Wang et al. 1999;
Otarocyon cooki6 Macdonald 1963 bone-crushing dog
"Nothocyon lemur" = Cynarctoides lemur Cope 1879 bone-crushing dog
confirmed by Wang et al. 1999
 Artiodactyla - Merycoidodontidae
Leptauchenia decora1 Leidy 1856 oreodont
Leptauchenia major1 Leidy 1856 oreodont
 Artiodactyla - Tayassuidae
Thinohyus sp.1 Marsh 1875 peccary
 Artiodactyla - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant
 Artiodactyla - Hypertragulidae
Nanotragulus loomisi1 Lull 1922 ruminant
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Theriamorpha - Talpidae
Quadrodens wilsoni2 Macdonald 1970 mole
 Theriamorpha - Proscalopidae
"Domninoides evelynae" = Proscalops evelynae
"Domninoides evelynae" = Proscalops evelynae Macdonald 1963 placental
 Lagomorpha - Leporidae
? Megalagus cf. primitivus Schlaikjer 1935 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
Palaeolagus philoi3 Dawson 1958 rabbit
(record accidentally omitted by Macdonald 1970)
 Rodentia - Heteromyidae
Proheteromys bumpi n. sp., "Proheteromys fedti" = Proharrymys fedti
Proheteromys bumpi n. sp. Macdonald 1963 rodent
"Proheteromys fedti" = Proharrymys fedti Macdonald 1963 rodent
 Rodentia - Geomyidae
"Grangerimus dakotensis n. sp." = Tenudomys dakotensis
"Grangerimus dakotensis n. sp." = Tenudomys dakotensis Macdonald 1963 pocket gopher
 Rodentia - Castoridae
Palaeocastor sp.1 Leidy 1869 beaver
Capacikala gradatus Cope 1878 beaver
 Rodentia - Aplodontidae
"Prosciurus dawsonae n. sp." = Campestrallomys dawsonae
"Prosciurus dawsonae n. sp." = Campestrallomys dawsonae Macdonald 1963 mountain beaver
 Rodentia - Cricetidae
"Eumys blacki" = Leidymys blacki, "Eumys woodi" = Paciculus woodi
"Eumys blacki" = Leidymys blacki Macdonald 1963 mouse
"Eumys woodi" = Paciculus woodi Macdonald 1963 mouse
 Primates - Ekgmowechashalidae
Ekgmowechashala philotau n. sp. Macdonald 1963 primate
Reptilia
 Squamata - Rhineuridae
Macrorhineura skinneri n. gen. n. sp.
Macrorhineura skinneri n. gen. n. sp. Macdonald 1970 worm lizard