microphagous filter feeders
1bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… …
