The Viruses
   The DNA Viruses
     The dsDNA Viruses
       Family Herpesviridae
         Subfamily Betaherpesvirinae
           Genus Cytomegalovirus
             1 Cercopithecine herpesvirus 5
             2 Cercopithecine herpesvirus 8
             3 Human herpesvirus 5ᵀ
             4 Pongine herpesvirus 4