| cowpox virus | species | viruses and viroids | viruses | species | 10243 |
| equine molluscum contagiosum-like virus | species | | | species | 2676272 |
| equine parapoxvirus | species | | | species | 1686431 |
| horsepox virus | no rank | viruses and viroids | viruses | no rank | 397342 |
| vaccinia virus | species | viruses and viroids | viruses | species | 10245 |