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 Inoviridae
               Genus Habenivirus
                 1 Ralstonia virus RS603
                 2 Ralstonia virus RSM1ᵀ
                 3 Ralstonia virus RSM3