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Diloma aethiops
''Diloma aethiops'', common name the scorched monodont, is a species of small sea snail, a marine gastropod mollusc in the family Trochidae.〔Bouchet, P. (2013). Diloma aethiops (Gmelin, 1791). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=546856 on 2014-03-17〕
==Description==
The size of the shell varies between 15 mm and 30 mm. The thick, solid, imperforate shell has a depressed conical shape. It is blackish, dotted upon the ribs with yellow or white . The conic spire is more or less depressed with an acute apex. The five whorls are spirally strongly ridged. The ridges are nodulous and number three on the penultimate whorl. The interstices are spirally striate. The body whorl is depressed, angulate at the periphery, and concentrically lirate below. The lirae are coarsely granulose, about 5 in number. The aperture is very oblique. The outer lip is edged with blackish, then nacreous, and lined with opaque white, the thickening slightly notched at the place of the periphery. The oblique columella is nearly straight, flat, opaque white and backed by nacreous.〔(Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia ) (described as ''Monodonta lugubris'')〕
Animal: The foot is yellow below, with a brown stripe round the contour, black on the sides, with touches of yellowish-white behind; filaments greenish; mouth yellowish.〔(Hutton F.W. (1880) Manual of the New Zealand Mollusca, Dominion Museum (N.Z.) )〕
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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