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Pteropod Aggregation (Biotic Group)

Component: Biotic

Unique Identifier: 453

Biotic Setting Planktonic Biota
Biotic Group Zooplankton
Biotic Subclass Molluscan Holoplankton
Biotic Group Pteropod Aggregation
Biotic Community Carolla Aggregation
Clione Aggregation


Description
Definition Water parcels in which pteropod mollusks (characterized by a reduced shell and an expansive, wing-like foot) are the dominant form of zooplankton. They are sufficiently abundant in some areas of the ocean that their dead shells form ooze after sinking to the seafloor.