Metamynodon Sandstone between Cottonwood Pass and Stronghold Table (Oligocene of the United States)

Where: Shannon County, South Dakota (43.6° N, 102.7° W: paleocoordinates 44.8° N, 94.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

• "'Metamynodon sandstone,' a channel sand in the lowest Brule Formation [= Scenic Member] located just below the lower nodular layer"

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

Size class: macrofossils

Reposited in the SDSM

Primary reference: M. W. Colbert. 2005. The facial skeleton of the early Oligocene Colodon (Perissodactyla, Tapiroidea). Palaeontologia Electronica 8(1):1-27 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 68719: authorized by John Alroy, entered by John Alroy on 04.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Tapiridae
Colodon occidentalis Leidy 1868 tapir