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 Myoviridae
                 Genus Agricanvirus
                   1 Erwinia virus Deimos
                   2 Erwinia virus Desertfox
                   3 Erwinia virus Ea35-70ᵀ
                   4 Erwinia virus RAY
                   5 Erwinia virus Simmy50
                   6 Erwinia virus SpecialG