#suborder_Petromyzoniformes__Petromyzoniformes__Hyperoartia__suborder_Hyperoartia  lampreys as distinguished from hagfishes
  supertype:  #animal_order  the order of animals
  member of:  #order_Cyclostomata__Cyclostomata  primitive jawless aquatic vertebrate: lampreys; hagfishes
     member of:  #superclass_Agnatha__Agnatha  superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
        member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
           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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