Where: Sonora, Mexico (31.1° N, 109.8° W: paleocoordinates 39.1° N, 88.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lomas Coloradas Formation (Cabullona Group), Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; lithology not reported

Size classes: macrofossils, mesofossils

Collected by Lucas, Kues & González-León in 1990-1992

Primary reference: A. A. Ramírez-Velasco, R. Hernández-Rivera, and R. Servin-Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 170934: authorized by Matthew Carrano, entered by Matthew Carrano on 29.06.2015

Creative Commons license: CC BY (attribution)