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Skenea serpuloides : ウィキペディア英語版 | Skenea serpuloides
''Skenea serpuloides'' is a species of small sea snail, a marine gastropod mollusk in the family Skeneidae. ==Description== The size of the shell attains 2 mm. The white shell is widely umbilicated and has a turbinate shape. The spire is elevated, with an obtuse apex. The three whorls are rounded and spirally striate. The body whorl descends obliquely, becoming free. The aperture is obliquely ovate. The periphery is contiguous.〔(G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia ) (described as ''Cyclostrema divisa'')〕
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