living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Virus see [unranked] viruses
       bacterial viruses
         Family Leviviridae
           1 [unranked] "Ribophage Group"ᵀ
           2 "phage f2"
           3 "phage MS2" see Enterobacteria phage MS2
           4 "phage M12"
           5 "phage Qbeta" see Enterobacteria phage Qbeta