The Viruses
   The DNA Viruses
     The dsDNA Viruses
       Order Caudovirales
         Family Siphoviridae
           Genus "λ-like viruses" see Genus Lambdalikevirus
             1 Enterobacteria phage HK022
             2 Enterobacteria phage HK97
             3 Enterobacteria phage λᵀ