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''Leptoxis'' is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Pleuroceridae. Species within this genus inhabit rocky fast-flowing parts of unpolluted and unimpounded mid-sized rivers in the American mid South and the southern Midwest. Species in the subgenus ''Mudalia'' inhabit rivers and creeks in the Atlantic drainage. ==Species== Species within the genus ''Leptoxis'' include. Those that are extinct are marked with a dagger †. * ''Leptoxis ampla'' * ''Leptoxis carinata'' * ''Leptoxis dilatata'' * † agate rocksnail (''Leptoxis clipeata'') * oblong rocksnail (''Leptoxis compacta'') * interrupted rocksnail (''Leptoxis foremanii'') * † maiden rocksnail (''Leptoxis formosa'') * † rotund rocksnail (''Leptoxis ligata'') * † lyrate rocksnail (''Leptoxis lirata'') * black mudalia (''Leptoxis melanoides'') * knob mudalia (''Leptoxis minor'') * † bigmouth rocksnail (''Leptoxis occultata'') * spotted rocksnail (''Leptoxis picta'') * plicate rocksnail (''Leptoxis plicata'') * mainstream river snail (''Leptoxis praerosa'') * † Coosa rocksnail (''Leptoxis showalterii'') * painted rocksnail (''Leptoxis taeniata'') * † ''Leptoxis torrefacta'' * ''Leptoxis umbilicata'' * smooth rocksnail (''Leptoxis virgata'') * † striped rocksnail (''Leptoxis vittata'') Synonyms: * ''Leptoxis anthonyix'' Anthony's river snail is a synonym for ''Athearnia anthonyi'' * ''Leptoxis crassa'' boulder snail is a synonym for ''Athearnia crassa'' 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「Leptoxis」の詳細全文を読む スポンサード リンク
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