Nassarius optimus is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa snails.
Description The shell size varies between 20 mm and 30 mm.
Distribution This species occurs in the Indian Ocean off Madagascar and in the Pacific Ocean off Northern Australia, the Philippines and New Caledonia.
References
Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
Cernohorsky W. O. (1984). Systematics of the family Nassariidae (Mollusca: Gastropoda). Bulletin of the Auckland Institute and Museum 14: 1–356 Petit R.E. (2009) George Brettingham Sowerby, I, II & III: their conchological publications and molluscan taxa. Zootaxa 2189: 1–218.
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