Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?"viruses"
             Realm Riboviria
               Family Alphatetraviridae
                 Genus Betatetravirus
                   1 Antheraea eucalypti virus
                   2 Darna trima virus
                   3 Dasychira pudibunda virus
                   4 Nudaurelia capensis beta virusᵀ
                   5 Philosamia cynthia x ricini virus
                   6 Pseudoplusia includens virus
                   7 Trichoplusia ni virus