Little Knife River (USNM 14116) (Paleocene of the United States)

Where: Mountrail County, North Dakota (48.1° N, 102.5° W: paleocoordinates 52.5° N, 82.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bear Den Member (Golden Valley Formation), Clarkforkian (56.8 - 55.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; conglomeratic shale and siltstone

• Dominantly interchannel shale and siltstone; sandstone (conglomeritic)

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

Primary reference: L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183 [H. Sims/S. Ostrowski/J. Cassara]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 10978: authorized by Hallie Sims, entered by Summer Ostrowski on 08.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Angiospermae
 Oxalidales - Oxalidaceae
Averrhoites affinis Newberry 1868 wood sorrel