#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 of:  phylum_Mollusca
  member:  genus_Chiton  a genus of Polyplacophora
     member:  coat-of-mail_shell__chiton__sea_cradle__seacradle__polyplacophore  primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates

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