#genus_Phthirius__Phthirius__Phthirus__genus_Phthirus  true lice: crab lice
  supertype:  arthropod_genus  a genus of arthropods
  member:  crab_louse
  member of:  family_Phthiriidae__Phthiriidae  crab lice
     member of:  order_Anoplura__Anoplura  sucking lice
        member of:  class_Insecta__Insecta__Hexapoda__class_Hexapoda  insects; about five-sixths of all known animal species
           member of:  phylum_Arthropoda__Arthropoda  jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
              member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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