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
                 Subfamily Vequintavirinae
                   Genus Certrevirus
                     1 Cronobacter virus CR3ᵀ
                     2 Cronobacter virus CR8
                     3 Cronobacter virus CR9
                     4 Cronobacter virus PBES02
                     5 Pectobacterium virus phiTE