最終更新日:2024/08/02
Any species of the class Hexactinellida of sponges, which have a skeleton made of four- and/or six-pointed siliceous spicules.
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glass sponge
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Any species of the class Hexactinellida of sponges, which have a skeleton made of four- and/or six-pointed siliceous spicules.
glass sponge