Chordata Bateson, 1885 - chordates
Status: extant
   Vertebrata Cuvier, 1812 - vertebrates
  Status: extant
     Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
    Status: extant
       Ciconiiformes Bonaparte, 1854
      Status: extant
         Threskiornithidae Richmond, 1917 - ibises and spoonbills
        Status: extant