Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?"viruses"
             Realm Riboviria
               Phylum Negarnaviricota
                 Subphylum Haploviricotina
                   Class Monjiviricetes
                     Order Mononegavirales
                       Family Paramyxoviridae
                         Subfamily Orthoparamyxovirinae
                           Genus Respirovirus
                             1.1 Caprine respirovirus 3
                             1.2.1 Bovine respirovirus 3
                             1.2.2 Human respirovirus 3
                             2.1 Porcine respirovirus 1
                             2.2.1 Murine respirovirusᵀ
                             2.2.2 Human respirovirus 1