Carbonera Formation, Mexico

The Carbonera Formation is a geologic formation in Mexico. It preserves fossils dating back to the Berriasian to Hauterivian stages of the Early Cretaceous period.

Fossil content
The following fossils were reported from the formation:
 * Ammonites
 * Maderia casitensis
 * Mexicanoceras laticostatum
 * M. multicostatum
 * ?Hemihoplites mexicanus
 * cf. Phylloceras serum
 * Distoloceras sp.
 * Bivalves
 * Exogyra reedi
 * Plicatula pulchra
 * Gryphaea sp.
 * Gastropods
 * Vermetus cornejoi
 * Pleurotomaria sp.
 * Brachiopods
 * Ptilorhynchia (Proteorhynchia) durangensis
 * Corals
 * Paretallonia hispaniensis