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''Ogasawarana yoshiwarana'' is a species of land snail with an operculum, a terrestrial gastropod mollusk in the family Helicinidae, the helicinids. == Description == ''Ogasawarana yoshiwarana'' was originally described under the name ''Helicina yoshiwarana'' by American malacologist Henry Augustus Pilsbry in 1902.〔Pilsbry H. A. (1902). "New land Mollusca from Japan and the Bonin Islands". ''Proceedings of the Academy of Natural Sciences of Philadelphia'' 54: (25-32 ). page 26.〕 Pilsbry's original text (the type description) appeared in the key and it reads as follows: Pilsbry also distinguished two variants: * ''H. yoshiwarana'' var. ''arata'' - Upper surface strongly striate spirally.〔 * ''H. yoshiwarana'' var. ''mierotheca'' - Smaller, delicately striate. height of the shell is 2.2 mm. The width of the shell is 4.5 mm.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ogasawarana yoshiwarana」の詳細全文を読む スポンサード リンク
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