[viruses]
   Realm Riboviria
     Order Nidovirales
       Suborder Cornidovirineae [monotypic]
         Family Coronaviridae
           Subfamily Orthocoronavirinae
             Genus Alphacoronavirus
               Subgenus Pedacovirus
                 1 Porcine epidemic diarrhea virus
                 2 Scotophilus bat coronavirus 512