#family_Arcidae__Arcidae  ark shells
  supertype:  #mollusk_family__molluskfamily  a family of mollusks
  member of:  #class_Bivalvia
  member:  #genus_Arca__Arca  type genus of the family Arcidae: ark shells and blood clams
     member:  #ark_shell__arkshell  marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
     member:  #blood_clam__bloodclam  red-blooded clam

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