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Emarginula crassa : ウィキペディア英語版 | Emarginula crassa
''Emarginula crassa'', the thick slit limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets. ==Description== The thick slit limpet is a large keyhole limpet with a length of 30 mm and about 15 mm high. The white shell is cap-like with a reticulate sculpture. The apex is curved backwards. The radial ribs number about 50 and are less pronounced than in other species of this genus. There is an exhalant slit in the anterior margin.
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「Emarginula crassa」の詳細全文を読む
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