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 Insecta Linnaeus, 1758 - insects
           Order Hemiptera Linnaeus, 1758 - true bugs
             Genus Cicada Linnaeus, 1758
               Cruciatae Linnaeus, 1758
                 1 Cicada crux Linnaeus, 1758
                 2 Cicada cornuta Linnaeus, 1758
                 3 Cicada aurita Linnaeus, 1758