The Piragua Formation is a geologic formation in Cuba. The limestone intercalated with tuff formation preserves rudist fossils dating back to the Santonian period.Piragua Formation at Fossilworks.org
Fossil content Durania curasavica, D. lopeztrigoi Praebarrettia corrali Torreites tschoppi Vaccinites inaequicostatus Plagioptychus sp. ?Mitrocaprina sp.
See also List of fossiliferous stratigraphic units in Cuba
References
Further reading
R. Rojas, M. Iturralde Vinent, and P. W. Skelton. 1995. Stratigraphy, composition and age of Cuban rudist-bearing deposits. Revista Mexicana de Ciencias Geológicas 12(2):272-291