N. albicilla grows up to 4 cm; its shell surface is smooth or with slight transverse ridges; it has small pustules and four weak teeth on the columella. Its outer shell color is variegated black and white, occasionally with three conspicuous bands. The interior is white, with a pinkish-grey, granular operculum.[1]
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Jarrett, A.G. (2000) Marine Shells of the Seychelles. Carole Green Publishing, Cambridge, xiv + 149 pp. NIZT 682
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