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"
             Realm Riboviria
               Family Amalgaviridae
                 Genus Amalgavirus
                   1 Allium cepa amalgavirus 1
                   2 Allium cepa amalgavirus 2
                   3 Blueberry latent virus
                   4 Rhododendron virus A
                   5 Southern tomato virusᵀ
                   6 Spinach amalgavirus 1
                   7 Vicia cryptic virus M
                   8 Zoostera marina amalgavirus 1
                   9 Zoostera marina amalgavirus 2