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
                 Genus Lederbergvirus
                   1 Salmonella virus BTP1
                   2 Salmonella virus HK620
                   3 Salmonella virus P22ᵀ
                   4 Salmonella virus SE1Spa
                   5 Salmonella virus ST64T
                   6 Shigella virus Sf6