Río Gurabo Formation
Stratigraphic range: Messinian-Zanclean
Type	Formation
Lithology
Primary	Limestone
Location
Coordinates	19°30′N 71°12′W / 19.5°N 71.2°W / 19.5; -71.2
Approximate paleocoordinates	19°30′N 70°24′W / 19.5°N 70.4°W / 19.5; -70.4
Country	Dominican Republic
Río Gurabo Formation (the Dominican Republic)

The Río Gurabo Formation is a geologic formation in the northwestern Dominican Republic. The reefal limestone preserves bivalve, gastropod and coral fossils dating back to the Messinian to Zanclean period.^[1][2]

• List of fossiliferous stratigraphic units in the Dominican Republic

• J. S. Klaus, S. T. Murray, P. K. Swart and D. F. McNeill. 2013. Resource partitioning and paleoecology of Neogene free-living corals as determined from skeletal stable isotope composition. Bulletin of marine science 84(4):937-954
• J. B. Saunders, P. Jung, and B. Biju-Duval. 1986. Neogene Paleontology in the Northern Dominican Republic: 1. Field Surveys, Lithology, Environment, and Age. Bulletins of American Paleontology 89(323):1-79