[viruses]
   Family Bacilladnaviridae
     Genus Protobacilladnavirus
       1 Chaetoceros protobacilladnavirus 1ᵀ
       2 Chaetoceros protobacilladnavirus 2
       3 Chaetoceros protobacilladnavirus 3
       4 Chaetoceros protobacilladnavirus 4
       5 Marine protobacilladnavirus 1
       6 Snail associated protobacilladnavirus 1
       7 Snail associated protobacilladnavirus 2