Slim Buttes Brule B (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 17187: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• additional material reported by Denson and Gill 1965 comes from Lillegraven's section 10 and therefore spans his units B through H
Mammalia
 Theriamorpha - Herpetotheriidae
Herpetotherium fugax2 Cope 1873 marsupial
 Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856 odd-toed ungulate
 Perissodactyla - Rhinocerotidae
Subhyracodon sp. Wood 1927 rhinoceros
 Perissodactyla - Tapiridae
Colodon sp. Marsh 1890 tapir
 Perissodactyla - Equidae
Miohippus sp. Marsh 1874 anchitheriine horse
 Artiodactyla - Agriochoeridae
Agriochoerus sp. Leidy 1850 agriochoerid
 Artiodactyla - Hypertragulidae
Hypertragulus sp. Cope 1874 ruminant
 Artiodactyla - Hypisodontidae
Hypisodus sp. Cope 1873 ruminant
 Artiodactyla - Leptomerycidae
Leptomerycidae indet.1 Zittel 1893 ruminant
 Artiodactyla - Leptochoeridae
Leptochoerus sp. Leidy 1856 even-toed ungulate
Stibarus sp. Cope 1873 even-toed ungulate
 Artiodactyla - Merycoidodontidae
Merycoidodontidae indet.1 Cook 1912 oreodont
Leptaucheniinae indet.1 Schultz and Falkenbach 1940 oreodont
 Artiodactyla - Camelidae
Poebrotherium sp. Leidy 1847 camel
probably P. wilsoni based on Honey et al. 1998
 Creodonta - Hyaenodontidae
Hyaenodon sp. Laizer and Parieu 1838 creodont
 Carnivora - Nimravidae
Dinictis sp. Leidy 1854 false sabre-tooth
 Carnivora - Canidae
Hesperocyon sp. Scott 1890 canid
 Theriamorpha - Soricidae
Domnina sp. Cope 1873 shrew
 Rodentia - Cricetidae
Eumys sp. Leidy 1856 mouse
Scottimus exiguus Wood 1937 mouse
 Rodentia - Ischyromyidae
Ischyromys typus3 Leidy 1856 rodent
 Rodentia - Eomyidae
Paradjidaumo sp. Burke 1934 rodent
Adjidaumo sp. Hay 1899 rodent
 Rodentia - Aplodontidae
Aplodontidae indet.1 Brandt 1855 mountain beaver
 Lagomorpha - Leporidae
Palaeolagus sp. Leidy 1856 rabbit
Megalagus sp. Walker 1931 rabbit
 Theriamorpha - Leptictidae
Leptictidae indet.1 Gill 1872 eutherian