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
               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