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 Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
           Order Apodes Linnaeus, 1758 see Order Anguilliformes Berg, 1943
             Genus Gymnotus Linnaeus, 1758
               Gymnotus asiaticus Linnaeus, 1758 see Channa asiatica (C. Linnaeus, 1758)