#phylum_Chaetognatha__Chaetognatha  arrowworms: a group of small active transparent marine worms
  supertype:  phylum  (biology) the major taxonomic group of animals and plants; contains classes
  member:  arrowworm  genus_Sagitta  genus_Spadella
  member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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