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 Omegatetravirus
                   1 Dendrolimus punctatus virus
                   2 Helicoverpa armigera stunt virus
                   3 Nudaurelia capensis omega virusᵀ