Rosebud (UNSM SDK10) (Oligocene of the United States)

Where: Shannon County, South Dakota (43.2° N, 102.3° W: paleocoordinates 44.0° N, 96.4° W)

• coordinate based on nearby landmark

When: Rosebud Formation, Monroecreekian (26.3 - 24.8 Ma)

• apparently "late early Arikareean" = Monrocreekian

Environment/lithology: terrestrial

Size class: macrofossils

Reposited in the UNSM

Primary reference: B. E. Bailey. 2004. Biostratigraphy and biochronology of early Arikareean through late Hemingfordian small mammal faunas from the Nebraska Panhandle and adjacent areas. Paludicola 4(3):81-113 [J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 69921: authorized by John Alroy, entered by John Alroy on 11.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Merycoidodontidae
"Megoreodon hollandi" = Megoreodon grandis Douglass 1907 oreodont
Mesoreodon sp. Scott 1893 oreodont
Leptauchenia sp. Leidy 1856 oreodont
 Perissodactyla - Equidae
Parahippus sp. Leidy 1858 anchitheriine horse