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 Papillomaviridae
               Subfamily Firstpapillomavirinae
                 Genus Alphapapillomavirus
                   1.1 Alphapapillomavirus 2
                   1.2.1 Alphapapillomavirus 3
                   1.2.2.1 Alphapapillomavirus 14
                   1.2.2.2 Alphapapillomavirus 4
                   2.1.1 Alphapapillomavirus 7
                   2.1.2.1 Alphapapillomavirus 5
                   2.1.2.2 Alphapapillomavirus 6
                   2.2.1.1.1 Alphapapillomavirus 1ᵀ
                   2.2.1.1.2.1 Alphapapillomavirus 10
                   2.2.1.1.2.2 Alphapapillomavirus 8
                   2.2.1.2 Alphapapillomavirus 13
                   2.2.2.1 Alphapapillomavirus 12
                   2.2.2.2.1 Alphapapillomavirus 11
                   2.2.2.2.2 Alphapapillomavirus 9