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The article focuses on the Lago Enriquillo fringing reef in Dominican Republic. It says that Enriquillo Valley in the country has spectacular outcrops in an extremely well-preserved fringing coral reef that thrived during the post-glacial rise of sea level. It tells that the reefs are exposed in various erosional gullies that reveal a distinct ecological zonation comprised of a shallow water branching coral zone and a deeper water mixed-coral zone that is typical for living Caribbean reefs.

The article focuses on extinct reef-building Pocillopora crassoramosa from the Messinian Cercado Formation of the Cibao Basin in the Dominican Republic. It states that this coral species has an unusual robust-branching growth morphology and horizontally disposed lifestyle. Embedded in bioclastic silty marl, large branches of P. crassoramosa form a 5-meter-thick and 100-meter-long buildup.