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 Parapoxvirus
                   1.1 Orf virusᵀ
                   1.2 Pseudocowpox virus
                   2.1 Parapoxvirus of red deer in New Zealand
                   2.2 Bovine papular stomatitis virus