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 Saphexavirus
                   1 Enterococcus virus BC611
                   2 Enterococcus virus IMEEF1
                   3 Enterococcus virus SAP6ᵀ
                   4 Enterococcus virus VD13
                   5 Streptococcus virus SPQS1