Also known as NMMNH L-4723; NMMNH L-4725; Head of Willow Wash

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 43.0° N, 87.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pu3 (65.5 - 63.3 Ma)

• "late Puercan" = Pu3 (Williamson and Weil 2010)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collection methods: bulk, sieve,

• methods include "underwater screening"

Primary reference: T. E. Williamson and A. Weil. 2002. A Late Puercan (Pu3) microfauna from the San Juan Basin, New Mexico. Journal of Vertebrate Paleontology 22(3):119A-120A [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 26575: authorized by John Alroy, entered by John Alroy on 17.10.2002, edited by Philip Mannion

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