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Glass Sponge Reef Biota (Biotic Subclass)

Component: Biotic

Unique Identifier: 422

Biotic Setting Benthic/Attached Biota
Biotic Class Reef Biota
Biotic Subclass Glass Sponge Reef Biota
Biotic Group Glass Sponge Reef

Definition Areas dominated by live, deep-water, glass sponges (Order: Hexactinosida) present in densities that are judged sufficient to form substrate. These sponges construct a complex siliceous skeleton that provides structure and relief on the seafloor, creating habitat for many other organisms.