| equine infectious anemia virus | species | viruses and viroids | viruses | species | 11665 |
| feline immunodeficiency virus | species | viruses and viroids | viruses | species | 11673 |
| feline leukemia virus | species | viruses and viroids | viruses | species | 11768 |
| murine leukemia virus | species | viruses and viroids | viruses | species | 11786 |
| puma lentivirus | species | viruses and viroids | viruses | species | 12804 |