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 Tectiviridae
           [unranked] "PRD1 phage group" see Genus Tectivirus
             "phage PRD1"ᵀ see Enterobacteria phage PRD1