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Chamaesipho tasmanica : ウィキペディア英語版 | Chamaesipho tasmanica ''Chamaesipho tasmanica'' is an intertidal shoreline barnacle of Australia. Its principal range centers in New South Wales, and Tasmania. Columnar colonies can be found on high intertidal rocks relatively free of dense seaweed. Individuals are small, less than 15 mm, and grayish in color. == Definition and discussion == ''Chamaesipho tasmanica'' is a small species, with carinorostral diameter of about 10 mm, much smaller than ''Chamaesipho brunnea'', and similar in size to ''Chamaesipho columna''. Crowded colonies become columnar.〔 The scutum possesses a clear rounded adductor ridge, best developed of all species of ''Chamaesipho''. Articular ridge is large, rounded, with deep articular furrow. The tergum is higher than the other two species, with a broad distinct articular furrow, and 3-7 tergal depressor crests, and no tergal spur.〔〔 Card setae are present only on anterior rami of cirrus I and cirrus II.〔
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「Chamaesipho tasmanica」の詳細全文を読む
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