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 Reoviridae
                 Subfamily Spinareovirinae
                   Genus Oryzavirus
                     1 Echinochloa ragged stunt virus
                     2 Rice ragged stunt virusᵀ