Where: Mexico (27.9° N, 101.5° W: paleocoordinates 34.2° N, 76.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Olmos Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

Environment/lithology: coarse channel fill; sandstone

Size class: microfossils

Preservation: permineralized

Primary reference: E. Estrada-Ruiz, H. I. Martínez-Cabrera, and S. R. S. Cevallos-Ferriz. 2010. Upper Cretaceous woods from the Olmos Formation (late Campanian–early Maastrichtian), Coahuila, Mexico. American Journal of Botany 97(7):1179-1194 [S. Wing/N. Jud]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116348: authorized by Scott Wing, entered by Nathan Jud on 07.09.2011

Creative Commons license: CC BY (attribution)