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noun
A siliceous sponge (with glassy spicules) of the class Hyalospongiae.
is a specific kind of: parazoan, poriferan, sponge.
is a broader term that covers: Venus's flower basket.
is a member of: class Hyalospongiae, Hyalospongiae.
Find more on glass sponge elsewhere: etymology - rhymes - Wikipedia.
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