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Pendroma perplexa
''Pendroma perplexa'' is a species of sea snail, a marine gastropod mollusk in the family Pendromidae.〔Rosenberg, G. (2012). ''Pendroma perplexa'' Dall, 1927. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533258 on 2012-12-23〕
==Description==
The small, whitish shell grows to a length of 3 mm. It has a subturbinate shape with four rapidly enlarging whorls. The minute protoconch is smooth. The whorls of the teleoconch show an axial sculpture. The numerous, sharp plicae on these whorls have an irregular pattern. These become obsolete beyond the periphery on the body whorl. The deep suture is not channeled. The aperture is subovate. The outer lip is sharp and flexuous, while the inner lip is thin and has a narrow umbilical chink behind it. This chink is continued by a shallow groove behind the inner lip.〔( Dall W. H. (1927). ''Small shells from dredgings off the southeast coast of the United states by the United States Fisheries Steamer "Albatross", in 1885 and 1886,'' Proceedings of the United States National Museum, vol 70, 1927, p. 1-2 )〕
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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