Noun mollusca has 1 sense
  1. Mollusca, phylum Mollusca - gastropods; bivalves; cephalopods; chitons
    --1 is a kind of phylum
    --1 is a member of Animalia, kingdom Animalia, animal kingdom
    --1 has members:
     mollusk, mollusc, shellfish; Scaphopoda, class Scaphopoda; Gastropoda, class Gastropoda, Gasteropoda, class Gasteropoda; Polyplacophora, class Polyplacophora; Bivalvia, class Bivalvia, Lamellibranchia, class Lamellibranchia, class Pelecypoda; Cephalopoda, class Cephalopoda
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