[viruses]
   Realm Riboviria
     Phylum Negarnaviricota
       Subphylum Haploviricotina
         Class Monjiviricetes
           Order Mononegavirales
             Family Paramyxoviridae
               Subfamily Avulavirinae
                 1 Genus Metaavulavirus
                 2 Genus Orthoavulavirus
                 3 Genus Paraavulavirus