Ojo Alamo (AMNH 5797) (Cretaceous of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 43.6° N, 85.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Naashoibito Member (Ojo Alamo Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Called "Ojo Alamo Beds" but now considered to be the Naashoibito Member

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by W. J. Sinclair in 1913; reposited in the AMNH

Primary reference: W. J. Sinclair and W. Granger. 1914. Paleocene deposits of the San Juan Basin, New Mexico. Bulletin of the American Museum of Natural History 33(22):297-316 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 76747: authorized by Matthew Carrano, entered by Matthew Carrano on 30.11.2007, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
Saurolophinae indet. Brown 1914 hadrosaurid
AMNH 5797, maxilla - ID from B. Brown in litteris