[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Mesnidovirineae
         Family Medioniviridae
           Subfamily Medionivirinae [monotypic]
             Genus Turrinivirus [monotypic]
               Subgenus Beturrivirus [monotypic]
                 Turrinivirus 1ᵀ