[viruses]
   Realm Riboviria
     Family Togaviridae [monotypic]
       Genus Alphavirus
         01 Aura virus
         02 Barmah Forest virus
         03 Bebaru virus
         04 Cabassou virus
         05 Chikungunya virus
         06 Eastern equine encephalitis virus
         07 Eilat virus
         08 Everglades virus
         09 Fort Morgan virus
         10 Getah virus
         11 Highlands J virus
         12 Madariaga virus
         13 Mayaro virus
         14 Middelburg virus
         15 Mosso das Pedras virus
         16 Mucambo virus
         17 Ndumu virus
         18 Onyong-nyong virus
         19 Pixuna virus
         20 Rio Negro virus
         21 Ross River virus
         22 Salmon pancreas disease virus
         23 Semliki Forest virus
         24 Sindbis virusᵀ
         25 Southern elephant seal virus
         26 Tonate virus
         27 Trocara virus
         28 Una virus
         29 Venezuelan equine encephalitis virus
         30 Western equine encephalitis virus
         31 Whataroa virus