NMMNH 681 (Paleocene of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 42.9° N, 88.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Nacimiento Formation, Torrejonian (63.3 - 61.7 Ma)

Environment/lithology: terrestrial

Reposited in the NMMNH

Primary reference: T. E. Williamson. 1996. The beginning of the age of mammals in the San Juan Basin, New Mexico; biostratigraphy and evolution of Paleocene mammals of the Nacimiento Formation. New Mexico Museum of Natural History and Science Bulletin 8:1-141 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 14860: authorized by John Alroy, entered by John Alroy on 02.06.1997

Creative Commons license: CC BY (attribution)

Taxonomic list

• possibly either in Kimbetoh Arroyo or Betonnie-Tsosie Wash, although those areas are given separate lists for this stratigraphic interval
Williamson's list 15
Mammalia
 Ungulata - Periptychidae
Periptychus carinidens Cope 1881 condylarth