A reef-building organism, such as certain colonial species of scleractinian corals. Related Articles: A field guide to Barbados (Part 1): IntroductionA field guide to Barbados (Part 2): The coastal geology of southeast BarbadosCarbonate platforms and coral reefs: The Coralline Oolite of the Yorkshire Upper Jurassic – a prime source of palaeontological information« Back to Glossary Index