Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||class Hyalospongiae - sponges with siliceous spicules that have six rays; choanocytes are restricted to finger-shaped chambers|
glass sponge - a siliceous sponge (with glassy spicules) of the class Hyalospongiae
class - (biology) a taxonomic group containing one or more orders