Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758
           [Class "Insecta" nom. inval. - insects] see Class Insecta Linnaeus, 1758
             [Order "Aptera" nom. inval.] see Order Aptera Linnaeus, 1758
               [Genus "Monoculus" nom. inval.] see Genus Monoculus Linnaeus, 1758, nom. oblit.
                 1 "Pulex arborescens" Swam., nom. inval.
                 1.0 ["Apus" Frisch, nom. inval.] see Pulex arborescens Swam., nom. inval.
                 1.0 ["Monoculus" Bradl., nom. inval.] see Pulex arborescens Swam., nom. inval.