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 Grallae Linnaeus, 1758
             Genus Rallus Linnaeus, 1758
               1 Rallus crex Linnaeus, 1758 see Crex crex (Linnaeus, 1758)
               2 Rallus aquaticus Linnaeus, 1758 - water rail
               3 Rallus lariformis Linnaeus, 1758
               4 Rallus benghalensis Linnaeus, 1758 see Rostratula benghalensis (Linnaeus, 1758)
               5 Rallus carolinus Linnaeus, 1758 see Porzana carolina (Linnaeus, 1758)