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