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 Mammalia Linnaeus, 1758 - mammals
           Quadrupedia Linnaeus, 1758 see Class Mammalia Linnaeus, 1758
             Order Bruta Linnaeus, 1758
               Genus Myrmecophaga Linnaeus, 1758 - giant anteater
                 1 Myrmecophaga didactyla Linnaeus, 1758 see Cyclopes didactylus (C. Linnaeus, 1758)
                 2 Myrmecophaga tridactyla Linnaeus, 1758 - giant anteater
                 3 Myrmecophaga tetradactyla Linnaeus, 1758 see Tamandua tetradactyla (C. Linnaeus, 1758) Gray, 1825