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DescriptionBody shape constantly digitate (1–2 cm in diameter and 5–10 cm in height); each digitation bearing one oscule (1–3 mm) at the center of an evident apical depression. Digitations regularly arranged on a basal encrusting plate attending over 50 cm in diameter. Thin outgrowths extremely rare. Colour yellow, a little bit paler than that of Aplysina aerophoba. Colour tone changes after death, to medium violet in preserved specimens, never reaching very dark or black tonalities.