#subphylum_Cephalochordata__Cephalochordata  lancelets
  supertype:  #phylum  (biology) the major taxonomic group of animals and plants; contains classes
  member:  #cephalochordate  #family_Amphioxidae
  member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
     member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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