Where: Dunn County, North Dakota (47.4° N, 102.8° W: paleocoordinates 48.1° N, 98.7° W)

• coordinate based on political unit

When: Kildeer Formation, Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: T. S. Kelly and E. B. Lander. 1988. Biostratigraphy and Correlation of Hemingfordian and Barstovian Land Mammal Assemblages, Caliente Formation, Cuyama Valley Area, California. In W. J. M. Bazeley (ed.), Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California 1-19 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17960: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)