Spirit Mound (Miocene of the United States)

Also known as SDSM V-691

Where: Todd County, South Dakota (43.2° N, 100.7° W: paleocoordinates 43.6° N, 98.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial

Reposited in the SDSM

Primary reference: A. Tabrum. 1981. A contribution to the mammalian paleontology of the Ogallala group of South-Central South Dakota. M.S. thesis [J. Alroy/J. Alroy/B. Allen]more details

PaleoDB collection 18406: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere
 Placentalia -
Carnivora indet. Bowdich 1821 carnivoran
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Perissodactyla - Equidae
Equinae indet. Steinmann and Döderlein 1890 horse
Pliohippus cf. pernix Marsh 1874 horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
new species of Tabrum
Hippotherium sp. Kaup 1832 hipparionine horse
 Perissodactyla - Rhinocerotidae
? Aphelops sp. Owen 1845 rhinoceros
 Rodentia - Sciuridae
"Tamiini indet." = Marmotini
"Tamiini indet." = Marmotini squirrel
 Rodentia - Castoridae
"Eucastor dividerus" = Prodipoides dividerus
"Eucastor dividerus" = Prodipoides dividerus Stirton 1935 beaver
 Rodentia - Geomyidae
"Phelosaccomys aff. hibbardi" = Parapliosaccomys hibbardi
"Phelosaccomys aff. hibbardi" = Parapliosaccomys hibbardi Storer 1973 pocket gopher
 Rodentia - Heteromyidae
? Perognathinae indet. Coues 1875 rodent