[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Tornidovirineae [monotypic]
         Family Tobaniviridae
           Subfamily Serpentovirinae
             Genus Tiruvirus [monotypic]
               Subgenus Tilitovirus [monotypic]
                 Shingleback nidovirus 1ᵀ