Willow Wash, NMMNH Loc. L-3921 (Cretaceous of the United States)

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 and T. D. Carr. 2003. A new genus of derived pachycephalosaurian from western North America. Journal of Vertebrate Paleontology 22(4):779-801 [M. Carrano/M. Carrano/J. Alroy]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)

Taxonomic list

 Ornithischia - Nodosauridae
Glyptodontopelta mimus Ford 2000 ornithischian
NMMNH P-27405
 Neornithischia - Pachycephalosauridae
Sphaerotholus goodwini n. gen. n. sp.
Sphaerotholus goodwini n. gen. n. sp. Williamson and Carr 2003 ornithischian
NMMNH P-27403