Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) "surface" (Earth)
                                   (Oceanic basin) "Atlantic Basin" (Atlantic Ocean)
                                     (Topographic basin) Mediterranean Basin
                                       "Sardegna" (Italy)
                                         0.400000N0090000E (Island) Sardinia (Italy: Sardegna)
                                         1.411400N0092400E (Archipelago) L’Arcipelago della Maddalena (Italy: Sardegna)
                                         2.410800N0093400E (Archipelago) Isole di li Nibani (Italy: Sardegna)