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
               Order Picornavirales
                 Family Marnaviridae
                   1 Genus Marnavirusᵀ [monotypic]
                   2.1 Genus Labyrnavirus [monotypic]
                   2.2.1 Genus Locarnavirus
                   2.2.2.1 Genus Kusarnavirus [monotypic]
                   2.2.2.2.1 Genus Bacillarnavirus
                   2.2.2.2.2.1 Genus Salisharnavirus
                   2.2.2.2.2.2 Genus Sogarnavirus