Where: Grant County, North Dakota (46.7° N, 101.8° W: paleocoordinates 51.4° N, 80.1° W)

• coordinate based on political unit

When: Tongue River Member (Fort Union Formation), Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: R. C. Holtzman. 1978. Late Paleocene Mammals of the Tongue River Formation, Western North Dakota. North Dakota Geological Survey Report of Investigations 65:1-88 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14932: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)