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 Narnaviridae
                 Genus Mitovirus
                   1 Cryphonectria mitovirus 1ᵀ
                   2 Ophiostoma mitovirus 3a
                   3 Ophiostoma mitovirus 4
                   4 Ophiostoma mitovirus 5
                   5 Ophiostoma mitovirus 6