Barrel Springs Arroyo (USNM) (Cretaceous of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.0° W: paleocoordinates 43.7° N, 85.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• 10 ft above lower conglomerate

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Bauer in 1915; reposited in the USNM

Primary reference: C. W. Gilmore. 1916. Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations. United States Geological Survey Professional Paper 98-Q:279-302 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 62488: authorized by Matthew Carrano, entered by Matthew Carrano on 20.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
"Trachodontidae indet." = Hadrosauridae
"Trachodontidae indet." = Hadrosauridae Cope 1869 hadrosaurid
teeth