| pyrobaculum spherical virus | Yes | species | viruses and viroids | phages | species | 270161 | click here |
| thermoproteus spherical piliferous virus 1 | Yes | species | | | species | 2713157 | click here |
| thermoproteus tenax spherical virus 1 | Yes | species | viruses and viroids | phages | species | 292639 | click here |