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Ethalia rufula : ウィキペディア英語版 | Ethalia rufula
''Ethalia rufula'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.〔Bouchet, P. (2014). Ethalia rufula Gould, 1861. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=732105 on 2014-06-30〕 ==Description== The height of the shell attains 4 mm, its diameter 6 mm. The small, polished shell has a lenticular shape. It shows almost square bright spots at the periphery and near the suture, and also red angular lines. The shell contains six slightly convex whorls with deep sutures. The base of the shell is reticulated rust-colored. The broad umbilicus has a colored margin. The aperture has an angular shape. The columellar callus is thin. 〔 ( Gould, Descriptions of shells collected by the North Pacific Exploring Expedition; Proceedings of the Boston Society of Natural History. viii, p. 17, 1861 ) 〕
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「Ethalia rufula」の詳細全文を読む
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