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Polycera quadrilineata : ウィキペディア英語版 | Polycera quadrilineata
''Polycera quadrilineata'', is a sea slug, a species of dorid nudibranch. It is a marine gastropod mollusc in the family Polyceridae. The specific epithet ''quadrilineata'' means four-lined and refers to the four longitudinal black lines present on the original specimen. This species is sometimes called the fourline nudibranch. ==Distribution== This nudibranch is described originally from Norway. In the NE Atlantic it is a common species in shallow water. It is distributed from Greenland to Norway and south along the European coasts into the Mediterranean Sea. It has also been reported off the South African coast from the Atlantic coast of the Cape Peninsula to Algoa Bay. The South African animals differ in having six instead of four papillae projecting from the frontal margin of the head, plus details of the coloration. It is found from the intertidal zone to 160 m.
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「Polycera quadrilineata」の詳細全文を読む
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