Hyalospongiae
plural noun
Hy·a·lo·spon·gi·ae
| \ -ēˌē \
Definition of Hyalospongiae
: a class of Porifera comprising sponges with 6-rayed siliceous spicules, no surface epithelium, and the choanocytes restricted to finger-shaped chambers — see glass sponge
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Merriam-Webster unabridged
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