[viruses]
   Realm Riboviria
     Family Reoviridae
       Subfamily Spinareovirinae
         Genus Orthoreovirus
           1 Avian orthoreovirus
           2 Baboon orthoreovirus
           3 Mahlapitsi orthoreovirus
           4 Mammalian orthoreovirusᵀ
           5 Nelson Bay orthoreovirus
           6 Piscine orthoreovirus
           7 Reptilian orthoreovirus