#gaviiform_seabird__gaviiformseabird  seabirds of the order Gaviiformes
  supertype:  #seabird__sea_bird__seabird__seafowl  a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
  subtype:  #loon.gaviiform_seabird  large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
  member of:  #order_Gaviiformes__Gaviiformes  large aquatic birds: loons and some extinct forms
     member of:  #class_Aves__Aves  birds
        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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