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 Caudovirales
               Family Siphoviridae
                 Genus Xipdecavirus
                   1 Xanthomonas virus OP1
                   2.1 Xanthomonas virus Xop411
                   2.2 Xanthomonas virus Xp10ᵀ