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Palmadusta diluculum : ウィキペディア英語版 | Palmadusta diluculum
''Palmadusta diluculum'', the day-break cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries. ==Description== These quite common shells reach on average of length, with a maximum size of and a minimum size of . The shape of these shells is somewhat pyriformly ovate, the basic coloration is brown or violet-chesnut, with two or more zones of several white dorsal zigzag-bands and distinctive dark spots on the white base. The extremities are edged with dark chesnut areas. In the living cowry the mantle is thin and smooth. The ''Palmadusta diluculum virginalis'' subspecies is smaller, the terminal spots are less accentuated to absent and dark spots on the base are totally missing.
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「Palmadusta diluculum」の詳細全文を読む
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