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. "history" (Earth) "global geochronologic units" (Eon) Phanerozoic Eon (541.0 Ma - present) (Era) Cenozoic Era (66.0 Ma - present) (Period) †Neogene Period (23.03 - 2.58 Ma) (Epoch) †Miocene Epoch (23.03 - 5.333 Ma) (Age) †Serravallian Age (13.82 - 11.63 Ma)