Imperium naturæ C. Linnaeus, 1758 - nature
Count: 1k;6c;34o;312g
   Mundus Plinius - physical world
  Count: -
     naturalia - natural bodies
    Count: -
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
      Count: [s] 6c;34o;312g;4384s;22v
         Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
        Count: [*] 6o;63g;554s
           Order Anseres Linnaeus, 1758 see Suborder Anseres Linnaeus, 1758
          Count: [*] 11g;77s
             Genus Colymbus Linnaeus, 1758
            Count: [*] 4s
               1 Colymbus arcticus Linnaeus, 1758 see Gavia arctica (Linnaeus, 1758)
              Count: -
               2 Colymbus cristatus Linnaeus, 1758 see Podiceps cristatus (Linnaeus, 1758)
              Count: -
               3 Colymbus auritus Linnaeus, 1758 see Podiceps auritus (Linnaeus, 1758)
              Count: -
               4 Colymbus podiceps Linnaeus, 1758 see Podilymbus podiceps (Linnaeus, 1758)
              Count: -