Pomaulax japonicus, the Japanese star shell, is a species of sea snail. It is a marine gastropod mollusk in the family Turbinidae, the turban snails.
Description P. Japonicus has a large, imperforate, pale-yellowish shell with a depressed-conic shape, which can attain a size of . The six whorls are planulate above, and obliquely tuberculate-plicate. The periphery is expanded, compressed and carinated, bearing wide nodose spines, while the base of the shell is planulate, with concentric tuberculate lirae. The white umbilical tract is callous and depressed, and the aperture is transversely dilated, subrhomboidal and angulate.G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Astralium japonicum)
Distribution This marine species occurs off Japan and Korea.
References
General references Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1–82, pls 104–245.
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