Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       naturalia - natural bodies
      Status: extant
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Distribution: cosmopolitan (marine, brackish, freshwater, terrestrial & aerial); Period: Archean - Present (3770 - 0 Mya); Status: extant
           ?"viruses"
          Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Status: extant
             Realm Riboviria
            Status: extant
               Order Nidovirales
              Status: extant
                 Suborder Cornidovirineae [monotypic]
                Status: extant
                   Family Coronaviridae
                  Habitat: host: vertebrates; Status: extant
                     Subfamily Orthocoronavirinae
                    Status: extant
                       Genus Betacoronavirus
                      Status: extant
                         Subgenus Embecovirus
                        Status: extant
                           Human coronavirus HKU1
                          Habitat: host: human; Status: extant