Sub-massive colonies, predominantly horizontal . Usually without branches, although sometimes it produces some very thick and flattened branches.

Colony shape: Encrusting

Colony layout: Disorderly

Branch thickness: >20 mm

Axial corallites: Almost nonexistent, sometimes on the edges.

Radial corallites: Emerging, very close to each other and of the same size.

Coenosteum: Smooth

Polyp extension: Poor

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