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"
             [unranked] "T7 Phage Group"ᵀ
               "phage H"
               "phage phiI"
               "phage phiII"
               "phage PTB"
               "phage R"
               "phage T3"
               "phage T7"ᵀ
               "phage W31"
               "phage Y"