Where: Box Elder County, Utah (41.5° N, 112.9° W: paleocoordinates 42.3° N, 109.4° W)

• coordinate based on political unit

When: Salt Lake Formation, Early/Lower Hemingfordian to Early/Lower Hemingfordian (20.4 - 13.6 Ma)

• said to be early Hemingfordian to early Barstovian

Environment/lithology: terrestrial

Primary reference: P. H. McClellan. 1976. Bulletin of the American Association of Petroleum Geologists 60(12):2185 [J. Alroy/J. Alroy] more details

PaleoDB collection 18915: authorized by John Alroy, entered by John Alroy on 19.05.2000

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