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 Deltaflexiviridae [monotypic]
                   Genus Deltaflexivirus
                     1.1 Sclerotinia deltaflexivirus 1ᵀ
                     1.2 Soybean-associated deltaflexivirus 1
                     2 Fusarium deltaflexivirus 1