[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Cornidovirineae [monotypic]
         Family Coronaviridae
           Subfamily Orthocoronavirinae
             Genus Alphacoronavirus
               Subgenus Nyctacovirus [monotypic]
                 Nyctalus velutinus alphacoronavirus SC-2013