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 Cimex Linnaeus, 1758
               Coleoptrati Linnaeus, 1758
                 10 Cimex littoralis Linnaeus, 1758
                 11 Cimex rugosus Linnaeus, 1758
                 12 Cimex clavicornis Linnaeus, 1758