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 Notonecta Linnaeus, 1758
               1 Notonecta glauca Linnaeus, 1758
               2 Notonecta striata Linnaeus, 1758 see Sigara striata (C. Linnaeus, 1758)
               3 Notonecta minutissima Linnaeus, 1758