The Canoa Formation is a Piacenzian to Calabrian (Chapadmalalan to Uquian in the SALMA classification) geologic formation in Ecuador. The sandstones were deposited in a coastal environment.Canoa Formation at Fossilworks.org The formation is correlated to the Charco Azul Formation of western Panama and southeastern Costa Rica.Charco Azul Formation at Fossilworks.org
Fossil content The formation has provided bivalve, gastropod, crustacean, echinoid and scaphopod fossils and vertebrates of: Balaenopteridae indet. Cetacea indet. Chondrichthyes indet. Osteichthyes indet.
See also List of fossiliferous stratigraphic units in Ecuador
References
Further reading G. Bianucci, C. Di Celma, W. Landini and J. Buckeridge. 2006. Palaeoecology and taphonomy of an extraordinary whale barnacle accumulation from the Plio-Pleistocene of Ecuador. Palaeogeography, Palaeoclimatology, Palaeoecology 242:326-342 H. A. Pilsbry and A.A. Olsson. 1941. A Pliocene fauna from Western Ecuador. Proceedings of the Natural Sciences of Philadelphia 93:1-79