[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Cornidovirineae [monotypic]
         Family Coronaviridae
           Subfamily Orthocoronavirinae
             Genus Alphacoronavirus
               01 Subgenus Colacovirus [monotypic]
               02 Subgenus Decacovirus
               03 Subgenus Duvinacovirus [monotypic]
               04 Subgenus Luchacovirus [monotypic]
               05 Subgenus Minacovirus
               06 Subgenus Minunacovirus
               07 Subgenus Myotacovirus [monotypic]
               08 Subgenus Nyctacovirus [monotypic]
               09 Subgenus Pedacovirus
               10 Subgenus Rhinacovirus [monotypic]
               11 Subgenus Setracovirus
               12 Subgenus Tegacovirus [monotypic]