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Meaning of MOLLUSCA

WordNet Dictionary
[n]  gastropods; bivalves; cephalopods; chitons

MOLLUSCA is a 8 letter word that starts with M.


 Synonyms: phylum Mollusca
 See Also: animal kingdom, Animalia, Bivalvia, Cephalopoda, class Bivalvia, class Cephalopoda, class Gasteropoda, class Gastropoda, class Lamellibranchia, class Pelecypoda, class Polyplacophora, class Scaphopoda, Gasteropoda, Gastropoda, kingdom Animalia, Lamellibranchia, mollusc, mollusk, phylum, Polyplacophora, Scaphopoda, shellfish



Webster's 1913 Dictionary
\Mol*lus"ca\, n. pl. [NL. See {Mollusk}.] (Zo["o]l.)
One of the grand divisions of the animal kingdom, including
the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and
Lamellibranchiata, or Conchifera. These animals have an
unsegmented bilateral body, with most of the organs and parts
paired, but not repeated longitudinally. Most of them develop
a mantle, which incloses either a branchial or a pulmonary
cavity. They are generally more or less covered and protected
by a calcareous shell, which may be univalve, bivalve, or

Note: Formerly the Brachiopoda, Bryzoa, and Tunicata were
      united with the Lamellibranchiata in an artificial
      group called Acephala, which was also included under
      Mollusca. See {Molluscoudea}.