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
                 1.1 Squirrelpox virus
                 1.2.1 Genus Molluscipoxvirus [monotypic]
                 1.2.2.1 Genus Crocodylidpoxvirus [monotypic]
                 1.2.2.2 Genus Parapoxvirus
                 2.1 Genus Leporipoxvirus
                 2.2.1.1 Genus Yatapoxvirus
                 2.2.1.2.1.1 Genus Cervidpoxvirus [monotypic]
                 2.2.1.2.1.2 Genus Capripoxvirus
                 2.2.1.2.2.1 Genus Suipoxvirus [monotypic]
                 2.2.1.2.2.2 Genus Avipoxvirus
                 2.2.2.1 Pteropox virus
                 2.2.2.2.1 Genus Centapoxvirus [monotypic]
                 2.2.2.2.2 Genus Orthopoxvirus