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.^[1]

Carbonera Formation
Stratigraphic range: Berriasian-Hauterivian ~145–125 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Lithology
Primary	Sandstone, shale
Location
Coordinates	24.2°N 102.8°W / 24.2; -102.8
Approximate paleocoordinates	20.9°N 55.2°W / 20.9; -55.2
Region	Durango
Country	Mexico
Carbonera Formation, Mexico (Mexico) Show map of Mexico Carbonera Formation, Mexico (Durango) Show map of Durango

Fossil content

The following fossils were reported from the formation:^[1]

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

See also

• List of fossiliferous stratigraphic units in Mexico