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 Tymovirales
                 Family Betaflexiviridae
                   Subfamily Trivirinae [paraphyletic]
                     1.1.1.1 Genus Capillovirus
                     1.1.1.2 Genus Trichovirus
                     1.1.2 Genus Chordovirus
                     1.2.1 Genus Prunevirus [paraphyletic]
                     1.2.1.n Genus Citrivirus [monotypic]
                     1.2.2 Genus Wamavirus [monotypic]
                     2.1 Genus Tepovirus
                     2.2 Genus Vitivirus
                     n Genus Divavirus