Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758
           [Class "Amphibia" nom. inval. - reptiles and amphibians] see Class Amphibia Linnaeus, 1758
             1 [Order "Serpentia" nom. inval.] see Order Serpentes Linnaeus, 1758
             2 [Order "Reptilia" nom. inval.] see Order Reptiles Linnaeus, 1758