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 Aptera Linnaeus, 1758
             Genus Monoculus Linnaeus, 1758, nom. oblit. see Genus Cyclops Müller, 1776
               1 Monoculus polyphemus Linnaeus, 1758
               2 Monoculus foliaceus Linnaeus, 1758
               3 Monoculus apus Linnaeus, 1758
               4 Monoculus pulex Linnaeus, 1758
               5 Monoculus pediculus Linnaeus, 1758
               6 Monoculus quadricornis Linnaeus, 1758
               7 Monoculus conchaceus Linnaeus, 1758
               8 Monoculus lenticularis Linnaeus, 1758
               9 Monoculus telemus Linnaeus, 1758