Cythara diconus is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Worldwide Mollusc Species Data Base: Cythara diconus
This species is considered a nomen dubium.
Distribution This marine species occurs off the Philippines.
References
Boettger, O. "Die marinen Mollusken der Philippinen (IV) nach den Sammlungen des Herrn José Florencio Quadra in Manila. IV. Die Pleurotomiden." Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft 27 (1895): 41–63
External links Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682: 1–1295.