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 Reptiles Linnaeus, 1758 see Class Reptilia Linnaeus, 1758
             Genus Rana Linnaeus, 1758
               Rana pipa Linnaeus, 1758 see Pipa pipa (Linnaeus, 1758)
               Rana bufo Linnaeus, 1758 see Bufo bufo (Linnaeus, 1758)
               Rana rubeta Linnaeus, 1758
               Rana gibbosa Linnaeus, 1758 see Breviceps gibbosus (Linnaeus, 1758)
               Rana variegata Linnaeus, 1758
               Rana ventricosa Linnaeus, 1758
               Rana marina Linnaeus, 1758 see Rhinella marina (Linnaeus, 1758)
               Rana typhonia Linnaeus, 1758
               Rana ocellata Linnaeus, 1758 see Osteopilus ocellatus (Linnaeus, 1758)
               Rana cornuta Linnaeus, 1758 see Ceratophrys cornuta (Linnaeus, 1758)
               Rana marginata Linnaeus, 1758
               Rana paradoxa Linnaeus, 1758 see Pseudis paradoxa (Linnaeus, 1758)
               Rana temporaria Linnaeus, 1758 - European frog
               Rana esculenta Linnaeus, 1758 see Pelophylax kl. esculentus (Linnaeus, 1758)
               Rana hyla Linnaeus, 1758
               Rana arborea Linnaeus, 1758 see Hyla arborea (Linnaeus, 1758)
               Rana boans Linnaeus, 1758 see Hypsiboas boans (Linnaeus, 1758)