Sharps (SDSM V-5359) (Oligocene of the United States)

Also known as LACM 1821, LACM 1981

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 17635: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 51 (including est. 15 Palaeocastor)
Mammalia
 Rodentia - Cricetidae
Leidymys blacki1 Macdonald 1963 mouse
Paciculus woodi1 Macdonald 1963 mouse
 Rodentia - Aplodontidae
Niglarodon koerneri Black 1961 mountain beaver
described but accidentally omitted from list
 Rodentia - Heteromyidae
Proheteromys gremmelsi1 Macdonald 1963 rodent
 Rodentia - Castoridae
Capatanka minor6 Xu 1996 beaver
Capacikala gradatus Cope 1878 beaver
Palaeocastor sp.1 Leidy 1869 beaver
 Lagomorpha - Leporidae
Palaeolagus philoi Dawson 1958 rabbit
? Megalagus cf. primitivus Schlaikjer 1935 rabbit
(one listed as from "LACM 1918")
 Lipotyphla - Talpidae
Quadrodens wilsoni n. sp. Macdonald 1970 mole
 Perissodactyla - Equidae
Miohippus equiceps Cope 1878 anchitheriine horse
 Tribosphenida - Heterosoricidae
Domnina dakotensis n. sp. Macdonald 1970 placental
 Tribosphenida - Proscalopidae
Proscalops sp.3 Matthew 1901 placental
Proscalops evelynae2 Macdonald 1963 placental
 Carnivora - Amphicyonidae
Paradaphoenus tooheyi n. sp.4 Hunt 2001 bear-dog
LACM 1861
 Carnivora - Canidae
"Mesocyon" cf. temnodon5 Wortman and Matthew 1899 canid
Philotrox condoni5 Merriam 1906 canid
Cynarctoides lemur1 Cope 1879 bone-crushing dog
Archaeocyon leptodus1 Schlaikjer 1935 bone-crushing dog
Otarocyon cooki1 Macdonald 1963 bone-crushing dog
 Carnivora -
Palaeogale dorothiae Macdonald 1963 carnivoran
 Ungulata - Tayassuidae
Thinohyus sp.1 Marsh 1875 peccary
 Ungulata - Hypertragulidae
Nanotragulus loomisi1 Lull 1922 ruminant
 Ungulata - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant