Where: San Juan County, New Mexico (36.3° N, 108.1° W: paleocoordinates 43.7° N, 85.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Naashoibito Member (Ojo Alamo Formation), Lancian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1977; reposited in the UNM

Primary reference: S. G. Lucas, N. J. Mateer, A. P. Hunt and F. M. O'Neill. 1987. Dinosaurs, the age of the Fruitland and Kirtland Formations, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico. J. E. Fassett and J. K. Rigby, Jr. (eds.), The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado, Geological Society of America Special Paper 209:35-50 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47010: authorized by Matthew Carrano, entered by Matthew Carrano on 31.01.2005

Creative Commons license: CC BY (attribution)