Pentaceratops site, Alamo Wash (UA) (Cretaceous of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.1° W: paleocoordinates 43.7° N, 80.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kirtland Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray shale and sandstone

• "gray shales with interbedded lenses of sandstone and mudstone"

Size class: macrofossils

Collected in 1975

Collection methods: quarrying, mechanical,

Primary reference: T. Rowe, E. H. Colbert, and J. D. Nations. 1981. The occurrence of Pentaceratops (Ornithischia: Ceratopsia) with a description of its frill. Advances in San Juan Basin Paleontology, S. G. Lucas, J. K. Rigby Jr., and B. S. Kues (eds.), University of New Mexico Press, Albuquerque 29-48 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34828: authorized by Matthew Carrano, entered by Matthew Carrano on 03.10.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Ceratopsidae
Pentaceratops sternbergii Osborn 1923 ceratopsid
UA 13342