Hemicythara octangulata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Hemicythara octangulata (Dunker, 1860). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433994 on 2017-07-15
Description The length of the shell attains 10 mm, its diameter 4 mm.
The solid, subfusiform shell is ovately oblong and obtusely shouldered, strongly longitudinally ribbed (eight in the body whorl) and transversely . The shell contains six whorls with a distinct suture. The aperture is narrow. The outer lip is slightly incrassate. The siphonal canal is very short. The columella is almost upright. The color of the shell is yellowish white, with an interrupted chestnut band.G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences (described as Clathurella octangula ) Wilhelm Dunker, Mollusca japonica descripta et tabulis tribus iconum illustrata a Guilielmo Dunker (1861);
Distribution This marine species occurs off Japan, Korea and the Philippines.
References
External links Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
Pilsbry & Stearns (1895) Catalogue of the marine mollusks of Japan, with descriptions of new species and notes on others collected by Frederick Stearns; Detroit,Frederick Stearns,1895. Ohgaki, Shun-Ichi, Ken-Ichi Komemoto, and Nobutaka Funayama. "2. List of recorded species." (2011) Cho, In-Young, et al. "A study on the biodiversity of benthic invertebrates in the waters of Seogwipo, Jeju Island, Korea." Journal of Asia-Pacific Biodiversity 7.1 (2014): e11-e18.