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"
             ["subviral agents"]
               ["satellites"]
                 [Group satellite viruses]
                   [Type single-stranded RNA satellite viruses]
                     [tobacco necrosis virus satellite]
                       1 [maize white line mosaic satellite virus]
                       2 [Panicum mosaic satellite virus]
                       3 [tobacco mosaic satellite virus]
                       4 [tobacco necrosis satellite virusᵀ]