Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
           Order Anseres Linnaeus, 1758 see Suborder Anseres Linnaeus, 1758
             Genus Diomedea Linnaeus, 1758
               1 Diomedea exulans Linnaeus, 1758 - wandering albatross
               2 Diomedea demersa Linnaeus, 1758 see Spheniscus demersus (Linnaeus, 1758)