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"
             Family Tectiviridae
               Genus Betatectivirus
                 1.1 Bacillus virus Bam35ᵀ
                 1.2 Bacillus virus GIL16
                 2.1 Bacillus virus AP50
                 2.2 Bacillus virus Wip1