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Acarnus erithacus de Laubenfels, 1927
Bright red or red-orange in colour with round oscula (4 mm diameter) on raised volcano-shaped projections across surface. Encrusting spone, 3-5 cm thick.
Bright red or red-orange in colour with round oscula (4 mm diameter) on raised volcano-shaped projections across surface. Encrusting spone, 3-5 cm thick.