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Turbo artensis
''Turbo artensis'' is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.〔Bouchet, P. (2012). ''Turbo artensis'' Montrouzier, 1860. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=534208 on 2012-09-01〕〔Alf A. & Kreipl K. (2003). A Conchological Iconography: The Family Turbinidae, Subfamily Turbininae, Genus Turbo. Conchbooks, Hackenheim Germany.〕〔Herbert D.G. (1996) A critical review of the trochoidean types in the Muséumd'Histoire naturelle, Bordeaux (Mollusca, Gastropoda). Bulletin du Muséum national d'Histoire naturelle, Paris, ser. 4, 18 (A, 3-4): 409-445.〕
==Description==
The height of the shell attains 65 mm, its diameter 60 mm. The shell has an oval or subrhomboidal outline. It is ventricose, solid, imperforate, and covered with a strong olivaceous epidermis. The short spire is acute. The sutures are subcanaliculate. The 5-6 whorls are convex, with spiral lirae which are narrower than their interstices, and number 11-12 on the body whorl. The grooves are closely radiately lamellar striate, with a central riblet. The aperture is ovate, angulate above and below, white within. The flattened columella is wide, effuse at its base.
The castaneous operculum is slightly concave within. It contains three whorls. The nucleus is situated at one-third the distance across the face. Its outer surface is white, convex. Its center is obsoletely granulose, the outer part is obliquely striate. 〔 (G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia ) 〕
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