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"
             Family Poxviridae
               Subfamily Chordopoxvirinae
                 Genus Avipoxvirus
                   01 Canarypox virus
                   02 Fowlpox virusᵀ
                   03 Juncopox virus
                   04 Mynahpox virus
                   05 Pigeonpox virus
                   06 Psittacinepox virus
                   07 Quailpox virus
                   08 Sparrowpox virus
                   09 Starlingpox virus
                   10 Turkeypox virus