Slim Buttes Brule C (Oligocene of the United States)

Where: Harding County, South Dakota (45.5° N, 103.1° W: paleocoordinates 46.6° N, 94.7° W)

• coordinate based on political unit

When: Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Collection methods: surface (float)

Primary reference: J. A. Lillegraven. 1970. Stratigraphy, Structure, and Vertebrate Fossils of the Oligocene Brule Formation, Slim Buttes, Northwestern South Dakota. Geological Society America Bulletin 81:831-850 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17188: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Leptictida - Leptictidae
Leptictidae indet.1 Gill 1872 eutherian
 Rodentia - Cricetidae
Scottimus exiguus Wood 1937 mouse
Eumys sp. Leidy 1856 mouse
 Rodentia - Ischyromyidae
Ischyromys typus2 Leidy 1856 rodent
 Lagomorpha - Leporidae
Palaeolagus sp. Leidy 1856 rabbit
 Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856 odd-toed ungulate
 Perissodactyla - Equidae
Miohippus sp. Marsh 1874 anchitheriine horse
 Carnivora - Canidae
Hesperocyon sp. Scott 1890 canid
 Carnivora - Nimravidae
Dinictis sp. Leidy 1854 false sabre-tooth
 Ungulata - Merycoidodontidae
Merycoidodontidae indet.1, "Stenopsochoerus berardae n. sp." = Miniochoerus starkensis3, "Genetochoerus (Osbomohyus) geygani n. sp." = Merycoidodon (Otarohyus) bullatus4
Merycoidodontidae indet.1 Cook 1912 oreodont
"Stenopsochoerus berardae n. sp." = Miniochoerus starkensis3 Schultz and Falkenbach 1956 oreodont
"From "Zone C" of Brule formation, 2 mi. S. of Reva Gap, E. side of Slim Buttes, Harding County, South Dakota"
"Genetochoerus (Osbomohyus) geygani n. sp." = Merycoidodon (Otarohyus) bullatus4 Leidy 1869 oreodont
"From oreodont faunal "Zone C" of Brule Formation, "35' below Leptauchenia-like nodules," White River drainage, 5 mi. NW. of Slim Butte, Shannon County, South Dakota;"
 Ungulata - Entelodontidae
Archaeotherium sp. Leidy 1850 even-toed ungulate
 Ungulata - Agriochoeridae
Agriochoerus sp. Leidy 1850 agriochoerid
 Ungulata - Hypertragulidae
Hypertragulus sp. Cope 1874 ruminant
 Ungulata - Hypisodontidae
Hypisodus sp. Cope 1873 ruminant
 Ungulata - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant