#superclass_Chelicerata__Chelicerata  spiders; scorpions; horseshoe crabs
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member:  class_Arachnida  order_Pycnogonida  class_Merostomata
  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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