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(zoology) A sponge of the class Demospongiae, having skeletons made of spongin fibres.

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demosponge

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demosponge

noun

(zoology) A sponge of the class Demospongiae, having skeletons made of spongin fibres.

The demosponge is a type of sponge found in the ocean.

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(zoology) A sponge of the class Demospongiae, having skeletons made of spongin fibres.

We know that at least some living calcified demosponges grow extremely slowly (0.2 mm/year Willems and Hartman 1985) and, since individuals can grow up to 1 m in diameter, are also very old (up to 5000 years).

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demosponge

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