#anaspid  extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian
  supertype:  jawless_vertebrate__jawlessvertebrate__jawless_fish__jawlessfish__agnathan  eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
  member of:  order_Anaspida__Anaspida  extinct order of jawless vertebrates
     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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