island
preferred label: جزیره @fa
type: Concept
related: atoll

reef
preferred label: ریف @fa
type: Concept
narrower: atoll

Coelenterata
preferred label: کیسه تنان @fa
type: Concept
related: atoll

atoll
related: Coelenterata
related: island
broader: reef
preferred label: جزیره مرجانی حلقوی @fa
type: Concept