ammonites
Grouse Creek (Ungulate Horizon) (Miocene of the United States)

Also known as IMNH 1124

Where: Box Elder County, Utah (41.5° N, 112.9° W: paleocoordinates 42.2° N, 110.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Salt Lake Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial

Primary reference: A. R. Tedrow and S. F. Robison. 1999. Utah Geological Survey Miscellaneous Publication 99-1:479-486 [J. Alroy/J. Alroy] more details

PaleoDB collection 18914: authorized by John Alroy, entered by John Alroy on 15.05.2002

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