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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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History and Etymology for Hyalospongiae

New Latin, from hyal- + -spongiae

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