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
                         [Genus Paramyxovirusᵀ] see Genus Avulavirus
                           ["parainfluenza 1 (Sendai) virus"] see Sendai virus
                           ["parainfluenza virus 2"]
                           ["parainfluenza virus 3"]
                           ["parainfluenza virus 4"]