Also known as Bisti/Den-na-zin Wilderness

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

• coordinate estimated from map

• small collection-level geographic resolution

When: Fossil Forest Member (Fruitland Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• Upper third of the Fossil Forest Member, dated to the Upper Campanian, stratigraphically lower than Ash 2 of Fassett & Steiner (1997) dated to 75.02 ± 0.04 Ma

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; white sandstone

Size class: macrofossils

Reposited in the DMNH

Collection methods: surface (float), surface (in situ),

Primary reference: T. A. Gates, D. C. Evans, and J. J. W. Sertich. 2021. Description and rediagnosis of the crested hadrosaurid (Ornithopoda) dinosaur Parasaurolophus cyrtocristatus on the basis of new cranial remains. PeerJ 9:e10669:1-35 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 219012: authorized by Philip Mannion, entered by Philip Mannion on 09.03.2021

Creative Commons license: CC BY (attribution)