| human spumaretrovirus | no rank | viruses and viroids | viruses | no rank | 11963 |
| pan troglodytes foamy virus | no rank | viruses and viroids | viruses | no rank | 298339 |
| simian foamy virus | species | viruses and viroids | viruses | species | 11642 |
| simian foamy virus type 6 | no rank | viruses and viroids | viruses | no rank | 31696 |