Characters: Colonies are compact or prostrate clumps of short, thin, highly fused, branches. Corallites are up to 5 millimetres diameter and have neat round exsert walls. Long and short septa only slightly alternate. Costae form fine striae over the coenosteum surface.
Colour: Tan with dark calices. Azooxanthellate colonies are white.
Similar species: Oculina valenciennesi, which does not form compact thickets of fused branches. See also O. varicosa.
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