Phylum Chordata Bateson, 1885 - chordates
Count: -
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
  Count: -
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
    Count: -
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
      Count: -
         Order Sphenisciformes Sharpe, 1891
        Count: [*] 1f;6g;17s
           Family Spheniscidae Bonaparte, 1831 - penguins
          Count: [*] 6g;17s
             Genus Pygoscelis Wagler, 1832
            Count: [*] 3s
               Pygoscelis adeliae (Hombron & Jacquinot, 1841) - Adelie penguin
              Count: -