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 Coleoptera Linnaeus, 1758 - beetles
             Genus Dytiscus Linnaeus, 1758
               01 Dytiscus piceus Linnaeus, 1758
               02 Dytiscus caraboides Linnaeus, 1758
               03 Dytiscus fuscipes Linnaeus, 1758
               04 Dytiscus latissimus Linnaeus, 1758
               05 Dytiscus marginalis Linnaeus, 1758
               06 Dytiscus striatus Linnaeus, 1758
               07 Dytiscus fuscus Linnaeus, 1758
               08 Dytiscus cinereus Linnaeus, 1758
               09 Dytiscus semistriatus Linnaeus, 1758
               10 Dytiscus sulcatus Linnaeus, 1758
               11 Dytiscus erytrocephalus Linnaeus, 1758
               12 Dytiscus maculatus Linnaeus, 1758
               13 Dytiscus minutus Linnaeus, 1758
               14 Dytiscus natator Linnaeus, 1758
               15 Dytiscus scarabaeoides Linnaeus, 1758