glass sponge

Noun
  1. A siliceous sponge (with glassy spicules) of the class Hyalospongiae (synset 101910379)
    is a type of: parazoan, poriferan, sponge - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
    subtypes: venus's flower basket - a deep-water marine sponge having a cylindrical skeleton of intricate glassy latticework; found in the waters of the East Indies and the eastern coast of Asia
    belongs to: class hyalospongiae, hyalospongiae - sponges with siliceous spicules that have six rays; choanocytes are restricted to finger-shaped chambers

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