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Ethalia sanguinea
''Ethalia sanguinea'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.〔Bouchet, P. (2014). Ethalia sanguinea Pilsbry, 1905. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=732103 on 2014-06-30〕
==Description==
The height of the shell attains 10 mm, its diameter 15 mm. The imperforate shell has a low-conoidal shape above, but is convex beneath. It is glossy and smooth except for fine growth lines and almost obsolete spirals. Its color is white, copiously marbled with purple-brown and pinkish above, with some opaque white spots, and a few indistinct articulated spiral lines. The base is white, with a pink central area. The 5½ whorls are convex. The body whorl is wide and narrowly rounded at the periphery. The ovate aperture is oblique. The lip is thin and simple, callused near the columellar insertion. The umbilicus is wholly filled by a red callous pad, roughened by several irregular vein-like grooves. 〔 ( Henry Pilsbry, New Japanese Marine Mollusca; Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 57 (1905), pp. 101-122 ) 〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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