| mammalian orthoreovirus | species | viruses and viroids | viruses | species | 351073 |
| mammalian orthoreovirus 2 | no rank | viruses and viroids | viruses | no rank | 538121 |
| mammalian orthoreovirus 2 d5/jones | no rank | viruses and viroids | viruses | no rank | 10885 |
| mammalian orthoreovirus 3 | no rank | viruses and viroids | viruses | no rank | 538123 |
| mammalian orthoreovirus 3 dearing | no rank | viruses and viroids | viruses | no rank | 10886 |