Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?viruses
             [RNA viruses]
               [negative stranded ssRNA viruses]
                 [Family Bunyaviridae]
                   [Genus Nairovirus]
                     [Crimean-Congo hemorrhagic fever virus]