head of Willow Wash, SMP loc. 376b (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

• local area-level geographic resolution

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

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given

Size class: macrofossils

Collected by R. M. Sullivan; reposited in the NMMNH

Primary reference: S. E. Jasinski, R. M. Sullivan, and S. G. Lucas. 2011. Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. In R. M. Sullivan, S. G. Lucas, & J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:216-271 [M. Carrano/M. Carrano/P. Mannion]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 194978: authorized by Matthew Carrano, entered by Matthew Carrano on 09.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Saltasauridae
Alamosaurus sanjuanensis Gilmore 1922 saltasaurine
SMP VP-1336