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"
             Order Caudovirales
               Family Siphoviridae
                 Genus Samistivirus
                   1 Streptomyces virus Jay2Jay
                   2 Streptomyces virus Mildred21
                   3 Streptomyces virus NootNoot
                   4 Streptomyces virus Paradiddles
                   5 Streptomyces virus Peebs
                   6 Streptomyces virus Samisti12ᵀ