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Homaxinella
''Homaxinella'' is a genus of sea sponges, demosponges in the family Suberitidae. The type species is ''Homaxinella balfourensis''. ==Description== ''Homaxinella'' was originally included in the sponge family Axinellidae but the structure of the skeleton shows that it lacks a reticulation and has bundles of calcareous spicules at the surface which lead to its inclusion in Suberitidae.〔 The members of the genus are rooted to the substrate and have stalks, a much branched habit of growth and an axially condensed choanosomal skeleton. They have an extra-axial skeleton of bundles of megascleres which are exclusively styles, and a profusion of further incoherently arranged styles, in a wide range of sizes. There are no microscleres.〔
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「Homaxinella」の詳細全文を読む
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