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 Podoviridae
                 Subfamily Picovirinae
                   [Genus Phi29likevirus]
                     1 [Bacillus phage B103]
                     2 [Bacillus phage GA-1]
                     3 [Bacillus phage phi29ᵀ]
                     4 [Kurthia phage 6]