Palmer Creek (Leptauchenia Facies) (Oligocene of the United States)

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.3° N, 95.0° W)

• coordinate based on political unit

When: Poleslide Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)

• Leptauchenia facies

Environment/lithology: terrestrial

Primary reference: R. W. Wilson. 1985. The Dentition of the Paleocene "Insectivore" Genus Acmeodon Matthew and Granger (?Palaeoryctidae, Mammalia). Journal of Paleontology 59(3):713-720 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17358: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• generically identifiable NISP 39 (119 other specimens are listed and many appear to be identifiable)
Mammalia
 Creodonta - Hyaenodontidae
Hyaenodon sp. Laizer and Parieu 1838 creodont
 Carnivora - Canidae
Canidae indet. Fischer de Waldheim 1817 canid
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821 rhinoceros
 Artiodactyla - Merycoidodontidae
Merycoidodontidae indet. Cook 1912 oreodont
Leptauchenia sp. Leidy 1856 oreodont
 Artiodactyla - Tayassuidae
Tayassuidae indet. Palmer 1897 peccary
 Artiodactyla - Leptomerycidae
Leptomerycidae indet. Zittel 1893 ruminant
 Theriamorpha - Talpidae
Talpidae indet. Fischer de Waldheim 1817 mole
 Theriamorpha - Erinaceidae
Proterix sp. Matthew 1903 hedgehog
 Placentalia -
Lagomorpha indet. Brandt 1885 placental
 Rodentia - Cricetidae
Eumys sp. Leidy 1856 mouse
 Rodentia - Eomyidae
? Eomyidae indet. Winge 1887 rodent