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Bistolida erythraeensis : ウィキペディア英語版 | Bistolida erythraeensis
''Bistolida erythraeensis'', common name : the Red Sea cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries. ==Description== These quite uncommon shells reach of length, with a maximum size of . The shell surface is smooth and shiny. The dorsum is grey or pale bluish with small brown irregular blotches and spots, one or more trasversal bands and two brown spots at each end, while the base is whitish-grey with several brown spots. The shape of these shells is elongated oval, the aperture is long and narrow, outer and inner lips have fine teeth, with a tongue-shaped radula. In the living cowry the mantle and the foot are well developed, usually with external antennae. The mantle is thin, transparent and greyish-white, with many white papillae and covers almost entirely the shell.
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「Bistolida erythraeensis」の詳細全文を読む
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