living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Virus see [unranked] viruses
       vertebrate viruses
         RNA viruses
           Family Paramyxoviridae
             Genus Pneumovirus
               1 "respiratory syncytial virus (humans)"ᵀ see Human respiratory syncytial virus
               2 "respiratory syncytial virus (cattle)" see Bovine respiratory syncytial virus
               3 "pneumonia virus"