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 Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
           Order Serpentes Linnaeus, 1758 see Suborder Serpentes Linnaeus, 1758
             Genus Caecilia Linnaeus, 1758
               135 Caecilia tentaculata Linnaeus, 1758
               350 Caecilia glutinosa Linnaeus, 1758 see Ichthyophis glutinosus (Linnaeus, 1758)