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Liotia fenestrata
''Liotia fenestrata'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.〔Rosenberg, G. (2012). ''Liotia fenestrata'' Carpenter, 1864. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=528076 on 2012-12-03〕〔Turgeon, D.D., et al. 1998. Common and scientific names of aquatic invertebrates of the United States and Canada. American Fisheries Society Special Publication 26〕
==Description==
The small, brownish white shell is clathrate by equidistant spiral and radiating riblets, with deep interstices. Its shape is at first subdiscoidal, but later variable. The apex is depressed. The nuclear whorls are flat and smooth. The teleoconch contains 2½ convex whorls. It is clathrate
by about 15 equidistant radiating and 7 spiral ribs, with deep pitted interspaces. The sculpture terminates with a spiral ridge surrounding the rather wide, deep umbilicus. The circular aperture is frequently slightly sloping and is slightly attached to the parietal wall. The inner lip is sinuated in the umbilical region.〔(G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia )〕〔Carpenter, Suppl. Rep. Brit. Assoc, 1864, pp. 612, 652〕
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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