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) "Pacific Basin" (Pacific Ocean)
                                     Izu-Bonin-Mariana Arc
                                       (Archipelago) Mariana Islands (Pacific Ocean: Northern Mariana Islands, Guam)
                                         (Undersea ridge) Mariana Ridge (Undersea Features)
                                           "Guam" (Pacific Ocean: United States)
                                             (Island) Orote Island (Guam: Guam)