Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758
           [Class "Pisces" nom. inval. - fishes] see Class Pisces Linnaeus, 1758
             [Order "Malacopterygii" nom. inval.] see Class Pisces Linnaeus, 1758
               [Genus "Pleuronectes" nom. inval.] see Genus Pleuronectes Linnaeus, 1758
                 1 ["Rhombus divers. specier." nom. inval.]
                 2 ["Passer" nom. inval.]
                 3 ["Limanda" nom. inval.]
                 4 ["Hippoglossus" nom. inval.]
                 5 ["Buglossus" nom. inval.]
                 6 ["Solea" nom. inval.]