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Sigma KEE - CoralReef
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CoralReef
CoralReef is the subclass of Reefs that are formed from living organisms that produce the limestone formations of the reef. Coral reefs include fringing reefs, barrier reefs, and Atolls.
Relationships      
Parents Reef A Reef is a ridge of rock, coral, or sand at or near the surface of a WaterArea.
Children AtollAtoll is the class of CoralReefs which surround a lagoon.


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