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 Abdominales Linnaeus, 1758
             Genus Exocoetus Linnaeus, 1758
               Exocoetus volitans Linnaeus, 1758 - tropical two-wing flyingfish