[viruses]
   Order Caudovirales
     Family Herelleviridae
       Subfamily Bastillevirinae
         Genus Bequatrovirus
           1 Bacillus virus AvesoBmore
           2 Bacillus virus B4ᵀ
           3 Bacillus virus Bigbertha
           4 Bacillus virus Riley
           5 Bacillus virus Spock
           6 Bacillus virus Troll