UNM 77-492 (Cretaceous of the United States)

Also known as north Willow Wash

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

• Paleocoordinates: 48.4° N, 74.0° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Naashoibito Member (Ojo Alamo Formation), Late/Upper Maastrichtian (72.2 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by S. Lucas in 1977; reposited in the UNM

Collection methods: surface (in situ),

Primary reference: S. G. Lucas. 1981. Dinosaur communities of the San Juan Basin: a case for lateral variations in the composition of Late Cretaceous dinosaur communities. In S. G. Lucas, J. K. Rigby, Jr. & B. S. Kues (eds.), Advances in San Juan Basin Paleontology 337-393 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 179272: authorized by Matthew Carrano, entered by Matthew Carrano on 09.06.2016

Creative Commons license: CC0 (CC0)

Taxonomic list

Reptilia
 Saurischia - Saltasauridae
? Alamosaurus sanjuanensis Gilmore 1922 saltasaurine
partial femur