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Erronea ovum : ウィキペディア英語版 | Erronea ovum
''Erronea ovum'', common name the egg cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries. ==Description== The shells of these quite common cowries reach on average of length, with a minimum size of and a maximum size of . The dorsum surface of ''Erronea ovum'' is smooth, shiny and generally dark brown, dark olive green or greyish, often with a darker wide trasversal band. They are egg-shaped (hence the Latin name ''ovum'', meaning egg). The base and the margins are usually white or pale brown, with yellowish teeth, but in ''Erronea ovum chrysostoma'' the teeth are pink-orange. In the living cowries mantle is greyish, with long tree-shaped sensorial papillae.
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「Erronea ovum」の詳細全文を読む
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