Where: Madison County, Montana (45.2° N, 112.0° W: paleocoordinates 47.0° N, 103.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Renova Formation, Chadronian (37.2 - 33.9 Ma)

Environment/lithology: terrestrial

Primary reference: W. D. Kuenzi and R. W. Fields. 1971. Geological Society America Bulletin 82 [J. Alroy/J. Alroy] more details

PaleoDB collection 16915: authorized by John Alroy, entered by John Alroy on 26.07.1994

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