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Clathrina antofagastensis : ウィキペディア英語版 | Clathrina antofagastensis
''Clathrina antofagastensis'' is a species of sponge in the genus ''Clathrina'' from Chile. The species is named after Antofagasta, Chile, where the holotype was discovered. ==Description== Specimens are massive, the largest is 20 x 30 x 10 mm. Cormus is composed of large, irregular and tightly anastomosed tubes. Water-collecting tubes are not present. The skeleton is composed of two categories of triactines without organisation: * Triactine I: regular (equiangular and equiradiate); actines are slightly conical to conical, straight and blunt at the tip. * Triactine II: regular (equiangular and equiradiate) in most cases, although sagittal spicules are also present. These spicules are very small. Actines are conical, straight and blunt at the tip.
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 antofagastensis」の詳細全文を読む
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