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Attached Tube-Building Fauna (Biotic Group)

Component: Biotic

Unique Identifier: 1280

Biotic Setting Benthic/Attached Biota
Biotic Class Faunal Bed
Biotic Subclass Attached Fauna
Biotic Group Attached Tube-Building Fauna
Biotic Community Attached Phoronids
Attached Pogonophorans
Attached Sabellaria
Attached Serpula
Attached Serpulorbis


Description
Definition Hard substrate areas with a percent cover dominated by tube builders, including annelids, phoronids, sipunculids, crustaceans, gastropods, pogonophorans, echiurans, priapulids, and other phyla. These animals construct chitinous, leathery, calcareous, sandy, mucus, or other types of tubes that are cemented or otherwise attached to hard substrate, and can occur in very high densities. If the tubes are built from a more permanent material (e.g., calcium carbonate) and occur in densities sufficient to construct substrate, these areas may be classified as Reef Biota.