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Mobile Mollusks on Hard or Mixed Substrates (Biotic Group)

Component: Biotic

Unique Identifier: 1214

Biotic Setting Benthic/Attached Biota
Biotic Class Faunal Bed
Biotic Subclass Attached Fauna
Biotic Group Mobile Mollusks on Hard or Mixed Substrates
Biotic Community Bittium Communities
Littorina Communities
Urosalpinx Communities


Description
Definition Areas dominated by slow-moving mollusks, most commonly gastropods. In general, the forms that reach densities sufficient to be defined as a Biotic Group are detritivores or suspension feeders. Slow-moving predatory mollusks (e.g., whelks, drills, octopods) tend to be less abundant, and would more typically be classified in CMECS as Co-occurring Elements, together with another Biotic Group.