| human t-lymphotropic virus 1 | no rank | viruses and viroids | viruses | no rank | 11908 |
| human t-lymphotropic virus 2 | no rank | viruses and viroids | viruses | no rank | 11909 |
| primate t-lymphotropic virus 1 | species | viruses and viroids | viruses | species | 194440 |
| primate t-lymphotropic virus 2 | species | viruses and viroids | viruses | species | 194441 |
| primate t-lymphotropic virus 3 | species | viruses and viroids | viruses | species | 194443 |
| simian t-lymphotropic virus 1 | no rank | viruses and viroids | viruses | no rank | 33747 |
| simian t-lymphotropic virus 3 | no rank | viruses and viroids | viruses | no rank | 39101 |