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 Anelloviridae
               1 Genus Gyrovirus [monotypic]
               2.1 Genus Etatorquevirus
               2.2 Genus Lambdatorquevirus
               3.1.1.1 Genus Mutorquevirus [monotypic]
               3.1.1.2 Genus Deltatorquevirus [monotypic]
               3.1.2.1 Genus Kappatorquevirus
               3.1.2.2 Genus Iotatorquevirus
               3.2.1.1 Genus Thetatorquevirus [monotypic]
               3.2.1.2 Genus Nutorquevirus
               3.2.2.1.1 Genus Alphatorquevirus
               3.2.2.1.2.1 Genus Betatorquevirus
               3.2.2.1.2.2 Genus Gammatorquevirus
               3.2.2.2.1 Genus Zetatorquevirus [monotypic]
               3.2.2.2.2 Genus Epsilontorquevirus [monotypic]