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Stomatella impertusa
''Stomatella impertusa'', common name the strigose stomatella or the elongate false ear shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
==Description==
The length of the shell varies between 5 mm and 25 mm. The small, thin shell has a lengthened oval shape. It is shining, yellowish-green, ornamented with white triangular spots with dark apices, sometimes in series. The shell is decussated by incremental and deeper spiral striae. The shell contains three whorls and a nearly terminal apex. The narrow aperture is oval, its ventral face nearly level. Inside it is shining and greenish. The shell is very delicate and slender, allied to ''Stomatella planulata'', a much larger species, and ''Stomatella auricula'', 〔 (H.A. Pilsbry (1890) Manual of Conchology XII; Academy of Natural Sciences, Philadelphia, 1890 ) (described as ''Gena dilacta'')〕
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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