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 Branchiostegi Linnaeus, 1758
             Genus Mormyrus Linnaeus, 1758
               1 Mormyrus cyprinoides Linnaeus, 1758 see Marcusenius cyprinoides (Linnaeus, 1758)
               2 Mormyrus anguilloides Linnaeus, 1758 see Mormyrops anguilloides (C. Linnaeus, 1758)
               2.1 Mormyrus caschive C. Linnaeus, 1758, pro syn.