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"
             Order Ortervirales
               Family Pseudoviridae
                 Genus Sirevirus
                   1.1 Arabidopsis thaliana Endovir virus
                   1.2 Glycine max SIRE1 virusᵀ
                   2.1 Lycopersicon esculentum ToRTL1 virus
                   2.2.1 Zea mays Prem2 virus
                   2.2.2 Zea mays Opie2 virus