#family_Amphioxidae__Amphioxidae__Branchiostomidae__family_Branchiostomidae  lancelets
  supertype:  chordate_family  any family in the phylum Chordata
  member:  genus_Amphioxus
  member of:  subphylum_Cephalochordata__Cephalochordata  lancelets
     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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