| cardiovirus a | species | | | species | 1821749 |
| encephalomyocarditis virus | no rank | viruses and viroids | viruses | no rank | 12104 |
| theiler's encephalomyelitis virus | no rank | viruses and viroids | viruses | no rank | 12124 |
| theilovirus | no rank | viruses and viroids | viruses | no rank | 204711 |