#family_Nepidae__Nepidae  water scorpions
  supertype:  #arthropod_family__arthropodfamily  any of the arthropods
  member of:  #suborder_Heteroptera
  member:  #water_scorpion__waterscorpion  long-legged aquatic insect having the front legs fitted for seizing and holding prey and the abdomen extended by a long breathing tube
  member:  #genus_Nepa__Nepa  type genus of the Nepidae: typical elongate-oval water scorpions
  member:  #genus_Ranatra__Ranatra  elongate very slender water scorpions

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