[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Cornidovirineae [monotypic]
         Family Coronaviridae
           Subfamily Orthocoronavirinae
             Genus Betacoronavirus
               1 Subgenus Embecovirus
               2 Subgenus Hibecovirus [monotypic]
               3 Subgenus Merbecovirus
               4 Subgenus Nobecovirus
               5 Subgenus Sarbecovirus [monotypic]