Multiple choice Pearl oyster belongs to which of the following classes of phylum Mollusca? Pelecypoda Gastropoda Amphineura Scaphopoda Monoplacophora Reveal answer Fill a bubble to check yourself A Correct answer Explanation Class Bivalvia or Pelecypoda consists of filter feeder molluscs in which the shell is external and made up of two valves jointed dorsally by a hinge joint. Pinctada or pearl oyster is present in pelecypoda.