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 Parvoviridae
               Subfamily Densovirinae
                 Genus Brevidensovirus
                   1 Dipteran brevidensovirus 2
                   2 Dipteran brevidensovirus 1ᵀ