Mao Formation
The Mao Formation is a geologic formation in the northwestern Dominican Republic. The reefal limestone and siltstone formation preserves bivalve, gastropod, echinoid and coral fossils dating back to the Pliocene period.
Fossil content
Antillia coatesiDiaphus aequalisIsophyllia jacksoni, I. maoensis- ''Trachyphyllia mcneilli''