| simian foamy virus | species | viruses and viroids | viruses | species | 11642 |
| simian foamy virus-gorilla | no rank | viruses and viroids | viruses | no rank | 41858 |
| simian immunodeficiency virus | species | viruses and viroids | viruses | species | 11723 |
| 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 |
| western lowland gorilla simian foamy virus | species | | | species | 2170204 |