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 Brussowvirus
                   1 Streptococcus virus 858
                   2 Streptococcus virus 2972
                   3 Streptococcus virus ALQ132
                   4 Streptococcus virus O1205
                   5 Streptococcus virus Sfi11ᵀ