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Willow Creek ( of the United States)

Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 43.9° N, 98.7° W)

• coordinate based on political unit

When: Arikareean (30.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: J. H. Wahlert. 1983. Relationships of the Florentiamyidae (Rodentia, Geomyoidea) based on cranial and dental morphology. American Museum Novitates 2769:1-23 [J. Alroy/J. Alroy/J. Marcot] more details

PaleoDB collection 17727: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot and Clint Boyd

Creative Commons license: CC BY (attribution)