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Jointed hydroid : ウィキペディア英語版 | Jointed hydroid
The jointed hydroid, ''Thuiaria articulata'', is a branching colonial hydroid in the family Sertulariidae.〔http://marinespecies.org/aphia.php?p=taxdetails&id=117932 accessed 16 August 2013〕 ==Description== Jointed hydroids look like a child's drawing of a Christmas tree. They have an upright stem with side branches that emerge in pairs and extend upwards from the 'trunk'. The branches all grow in one plane. The colony is usually 4-8cm in total height but may grow to 22cm.〔Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. 2010. ''Two Oceans: a guide to the marine life of southern Africa'' ISBN 978-1-77007-772-0〕
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「Jointed hydroid」の詳細全文を読む
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