Carbonera Formation, Mexico

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Carbonera Formation Stratigraphic range: Berriasian-Hauterivian ~145–125 Ma PreЄ Є O S D C P T J K Pg N
Type	Formation
Lithology
Primary	Sandstone, shale
Location
Coordinates	[ ⚑ ] : 24°12′N 102°48′W / 24.2°N 102.8°W / 24.2; -102.8
Paleocoordinates	[ ⚑ ] 20°54′N 55°12′W / 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

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]

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

References

Bibliography

• M. R. Sandy. 1990. Early Cretaceous brachiopods from Mexico and their paleobiogeographic significance. Journal of Paleontology 64(6):942-956
• R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190

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