Also known as Locs. 36, 38, 40, 41, 42, 43, 45, 57, 59, 60, 68

Where: Sweetgrass County, Montana (45.8° N, 109.8° W: paleocoordinates 51.8° N, 89.1° W)

• coordinate based on political unit

When: "Fort Union No. 3" (= Melville) Formation, Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Primary reference: G. G. Simpson. 1937. Bulletin of the United States National Museum 169 [J. Alroy/J. Alroy] more details

PaleoDB collection 15053: authorized by John Alroy, entered by John Alroy on 18.02.1993

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