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Balanus perforatus : ウィキペディア英語版 | Balanus perforatus
''Balanus perforatus'' is a species of barnacle in the family Balanidae. It is found on the lower shore and in the neritic zone in the warm temperate parts of the eastern Atlantic Ocean.〔 ==Description==
''B. perforatus'' is a large barnacle which grows up to in both diameter and height. Its shape resembles a volcano with steep sloping sides. The six fused lateral calcareous plates are pale purplish-brown and often ridged vertically. They often separate near the top leaving jagged ridges. Tissue inside the operculum is brightly coloured. Two pairs of moveable plates cover the operculum which can be sealed by a purplish-brown flap when the barnacle is exposed above water or it is not feeding.〔(European Marine Life ). Retrieved July 19, 2011.〕〔(Marine Life Information Network ). Retrieved July 19, 2011.〕
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「Balanus perforatus」の詳細全文を読む
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