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Clathrina clara : ウィキペディア英語版 | Clathrina clara
''Clathrina clara'' is a species of sponge in the genus ''Clathrina'' from India. The name refers to the clear, bright surface of the sponge. ==Description== Small, flat but not tubular and has meshes consisting of a network of thin walled tubes which are a compact mass attached directly to the substrate. The surface cormus comprises tightly-knit tubes, several tubes joining to share one common oscule, slightly raised above the surface. There are no erect free branches. Cells with granules have not been observed. The skeleton comprises two size-classes of equiangular and equiradiate triactines. Actines are conical and straight, with a sharp tip. The large triactines are situated only in the external tubes, delimiting the cormus, while the smaller triactines are found within the cormus.
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「Clathrina clara」の詳細全文を読む
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