The Yanigua Formation is a geologic formation in Dominican Republic. The lagoonal claystones and marls preserve fossils dating back to the Miocene period.Yanigua Formation at Fossilworks.org The formation hosts Dominican amber.
Fossil content
Aureofungus yaniguaensis, named after the formation Cephalotes alveolatus, C. caribicus, C. dieteri, C. hispaniolicus Enischnomyia stegosoma Mesembrinella caenozoica Vetufebrus ovatus ?Neocallichirus quisquellanus Portunus sp. Sebecidae Indet.
See also List of fossiliferous stratigraphic units in the Dominican Republic La Toca Formation El Mamey Formation Lagunitas Formation, Cuba
References
Further reading C. E. Schweitzer, M. Iturralde Vinent, J. L. Hetler and J. Vélez Juarbe. 2006. Oligocene and Miocene decapods (Thalassinidea and Brachyura) from the Caribbean. Annals of Carnegie Museum 75(2):111-136