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 Vermes Linnaeus, 1758 - worms see Phylum Vermes (C. Linnaeus, 1758)
           Order Testacea Linnaeus, 1758
             Genus Nautilus Linnaeus, 1758
               Elongati erectiusculi
                 240 Nautilus Semi-Lituus Linnaeus, 1758
                 241 Nautilus obliqvus Linnaeus, 1758
                 242 Nautilus raphanistrum Linnaeus, 1758
                 243 Nautilus raphanus Linnaeus, 1758
                 244 Nautilus granum Linnaeus, 1758
                 245 Nautilus radicula Linnaeus, 1758
                 246 Nautilus fascia Linnaeus, 1758
                 247 Nautilus sipunculus Linnaeus, 1758
                 248 Nautilus legumen Linnaeus, 1758
                 249 Nautilus orthocera Linnaeus, 1758