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
               Spinosi Linnaeus, 1758
                 18 Cimex bidens Linnaeus, 1758 see Picromerus bidens (C. Linnaeus, 1758)
                 19 Cimex rufipes Linnaeus, 1758
                 20 Cimex marginatus Linnaeus, 1758
                 21 Cimex 2-pustulatus Linnaeus, 1758
                 22 Cimex ypsilon Linnaeus, 1758 see Mormidea ypsilon (C. Linnaeus, 1758)
                 23 Cimex punctatus Linnaeus, 1758
                 24 Cimex haemorrhoidalis Linnaeus, 1758
                 25 Cimex valgus Linnaeus, 1758
                 26 Cimex 4-spinosus Linnaeus, 1758
                 27 Cimex acantharis Linnaeus, 1758