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Brattegardia : ウィキペディア英語版 | Brattegardia
''Brattegardia'' is a monotypic genus of calcareous sponge with a single species: ''Brattegardia nanseni'' from Norway. The genus is named after the Norwegian marine biologist Torleiv Brattegard. The species is named after Norwegian helminthologist Fridtjof Nansen. ==Description== Calcinea in which the cormus is formed by anastomosed tubes covered by a thin membranous layer, at least in young specimens. Cormus is massive/globular with or without a stalk. The skeleton contains regular (equiangular and equiradiant) triactines and tetractines, but parasagittal triactines may be present. Triactines are the most numerous spicules. Aquiferous system asconoid.
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「Brattegardia」の詳細全文を読む
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