Where exactly the calyx is present in case of corals?

Calyx is the integral (internal)part of A coral. It is seen in the basal part or plate of a coral on which coral rests. In reef building corals the calcium carbonate that is secret...

Calyx is the integral (internal)part of A coral. It is seen in the basal part or plate of a coral on which coral rests. In reef building corals the calcium carbonate that is secret...

calyx is the inner surface of the corals

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the calyx is cup shaped in which the coral polyp is located .The bottom of the calyx is called basal plate

The inner surface of the corallite is known as the calyx.