Madracis decactis

(Lyman, 1859)

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Morphologic Description:

Colony Form: plocoid to subcerioid; Colony Shape: encrusting and branching; Colony Size: branches 1-2 cm thick; Budding Type: mostly extramural; Corallite Diameter: 1.3-1.9 mm; Coenosteum Width: <1.0 mm; Septa Per Corallite: 10 +; Lobes: none; Columella Structure: styliform; Wall Structure: septothecal.