Also known as NMMNH 612; UNM B 77-939

Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 41.2° N, 91.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Regina Member (San Jose Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: L. N. Smith and S. G. Lucas. 1991. Bulletin of the New Mexico Bureau of Mines and Mineral Research 126 [J. Alroy/J. Alroy]more details

PaleoDB collection 15606: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)