Hexactinellida

Japanese: Hexactinellida
Hexactinellida

...These include the Okadake sponge, the oily sponge, and the cage sponge. (2) The Hexactinellida class has a siliceous skeleton with large main fragments that are uniaxial, triaxial, or tetraaxial, but also contains small fragments with special shapes called hexactyls and bidiscs. They are generally large and many are found in the deep sea, including the staghorn sponge and the blue-green sponge. ...

*Some of the terminology explanations that mention "Hexactinellida" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…オカダケツボカイメン,アブラツボロイカン,カゴアミカイメンなどがある。 (2)六放海綿綱Hexactinellidaは骨格がケイ質で単軸,3軸,4軸などの主大骨片をもっているが,そのほかに六放星体,両盤体という特殊な形をした微小骨片を含んでいる。一般に大型で,深海産のものが多く,ホッスガイ,カイロウドウケツカイメンなどが含まれる。…

※「Hexactinellida」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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