Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.6° N, 97.3° W)

• coordinate based on political unit

When: Arikareean (30.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: C. B. Schultz and C. H. Falkenbach. 1949. Bulletin of the American Museum of Natural History 93(3) [J. Alroy/J. Alroy] more details

PaleoDB collection 17485: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)