| Operation | Rank | New taxon name | Old parent taxon | New parent taxon | Old taxon name |
|---|---|---|---|---|---|
| Move; rename taxon | Species | Alphacystovirus phi8 | Cystovirus | Alphacystovirus | Cystovirus phi8 |
| Move; rename taxon | Species | Betacystovirus phi12 | Cystovirus | Betacystovirus | Cystovirus phi12 |
| Move; rename taxon | Species | Gammacystovirus phi13 | Cystovirus | Gammacystovirus | Cystovirus phi13 |
| Move; rename taxon | Species | Gammacystovirus phiYY | Cystovirus | Gammacystovirus | Cystovirus phiYY |
| Move; rename taxon | Species | Deltacystovirus phi2954 | Cystovirus | Deltacystovirus | Cystovirus phi2954 |