Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 43.5° N, 79.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: De-na-zin Member (Kirtland Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the NMMNH

Primary reference: T. E. Williamson. 1999. A partial skull of a pachycephalosaurian dinosaur from the Upper Cretaceous Kirtland Formation, San Juan Basin, northwestern New Mexico. New Mexico Geology 21(2):44 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53515: authorized by Matthew Carrano, entered by Matthew Carrano on 10.09.2005

Creative Commons license: CC BY (attribution)