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Jujubinus montagui : ウィキペディア英語版 | Jujubinus montagui
''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ==Description== The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely perforate shell has a conical. The 7 whorls are a little convex. The earlier buff, following pale buffish-ashen, is ornamented with obscure maculations or zones of chestnut. The shell is obliquely striate, spirally lirate with 6 subequal lirae on the penultimate whorl . The body whorl is a little convex above, carinated in the midde, convex beneath and provided with 7-8 concentric, white-and-brown articulated lirae. The aperture is rhomboid. The columella is subtruncate below. 〔 (Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia ) 〕
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