#class_Polyplacophora__Polyplacophora  small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member:  genus_Chiton
  member of:  phylum_Mollusca__Mollusca  gastropods; bivalves; cephalopods; chitons
     member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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