El Almacigo (Cretaceous of Mexico)

Where: Mexico (25.5° N, 101.3° W: paleocoordinates 31.6° N, 75.9° W)

• coordinate stated in text

When: Cerro del Pueblo Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

Environment/lithology: lacustrine delta plain; lithology not reported

• This material was deposited in a lake or estuary environment, forming part of a delta system during the late Campanian.

Size class: microfossils

Preservation: adpression

Primary reference: E. Estrada-Ruiz, L. Calvillo-Canadell, and S. R. S. Cevallos-Ferriz. 2009. Upper Cretaceous aquatic plants from Northern Mexico. American Journal of Botany 90(4):282-288 [S. Wing/N. Jud]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116342: authorized by Scott Wing, entered by Nathan Jud on 07.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratophyllales - Ceratophyllaceae
Ceratophyllum lesii n. sp. hornwort
 Mesangiosperms - Arecaceae
Arecaceae indet. von Berchtold and Presl 1820 palm
 Rosales - Rhamnaceae
Rhamnaceae indet. Jussieu 1789 buckthorn