Pillucina vietnamica
General description:
These small bivalves derive their nutrition largely from a chemosymbiosis with sulphide-oxidising bacteria housed in the gills. The hydrogen sulphide derives from the anoxic layers within the sediment.
Phylogeny:
Class Bivalvia
Family Lucinidae Fleming, 1818
Pillucina vietnamica (Zorina, 1978)
Habitat:
Abundant in muddy sand within seagrass beds.