#subphylum_Cephalochordata__Cephalochordata  lancelets
  supertype:  phylum  (biology) the major taxonomic group of animals and plants; contains classes
  member of:  phylum_Chordata
  member:  cephalochordate  fishlike animals having a notochord rather than a true spinal column
  member:  family_Amphioxidae__Amphioxidae__Branchiostomidae__family_Branchiostomidae  lancelets
     member:  genus_Amphioxus  type genus of the Amphioxidae
        member:  lancelet__amphioxus__amphioxu  small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates

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