Characters: Colonies are encrusting to submassive. Corallites are irregular in shape, 3-6 millimetres diameter. Septa are few and highly contorted, with irregular teeth. The paliform crown is weakly developed.
Colour: Pale brown, sometimes with green oral discs.
Similar species: Favites micropentagona, which has corallites of similar size but with a uniform shape. See also Platygyra yaeyamaensis which has larger corallites forming valleys.
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