[viruses]
   Realm Riboviria
     Phylum Negarnaviricota
       Subphylum Haploviricotina
         Class Monjiviricetes
           Order Mononegavirales
             Family Nyamiviridae
               Genus Socyvirus [monotypic]
                 1 Soybean cyst nematode socyvirusᵀ