[viruses]
   Realm Riboviria
     Phylum Negarnaviricota
       Subphylum Haploviricotina
         Class Monjiviricetes
           Order Mononegavirales
             Family Nyamiviridae
               Genus Berhavirus
                 1 Beihai berhavirus
                 2 Echinoderm berhavirus
                 3 Sipunculid berhavirusᵀ