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 Lambdapapillomavirus
                   1 Lambdapapillomavirus 4
                   2.1.1.1 Lambdapapillomavirus 1
                   2.1.1.2 Lambdapapillomavirus 5
                   2.1.2 Lambdapapillomavirus 3
                   2.2 Lambdapapillomavirus 2ᵀ