Also known as Nevis Creek, Battle Draw Spring

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.4° N, 94.3° W)

• coordinate based on political unit

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

• Listed as White River Formation in older literature. Possibly Leptauchenia zone according to Sinclair (quoted in Gilmore 1928).

•Leptauchenia zone = upper Oreodon beds = Poleslide Member of Brule Fm (according to Bump 1956)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: W. J. Sinclair. 1924. The Faunas of the Concretionary Zones of the Oreodon Beds, White River Oligocene. Proceedings of the American Philosophical Society 63(1):94-133 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17067: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Terri Cleary

Creative Commons license: CC BY (attribution)