[viruses]
   Family Papillomaviridae
     Subfamily Firstpapillomavirinae
       01 Genus Alphapapillomavirus
       02 Genus Betapapillomavirus
       03 Genus Chipapillomavirus
       04 Genus Deltapapillomavirus
       05 Genus Dyochipapillomavirus [monotypic]
       06 Genus Dyodeltapapillomavirus [monotypic]
       07 Genus Dyoepsilonpapillomavirus [monotypic]
       08 Genus Dyoetapapillomavirus [monotypic]
       09 Genus Dyoiotapapillomavirus
       10 Genus Dyokappapapillomavirus
       11 Genus Dyolambdapapillomavirus [monotypic]
       12 Genus Dyomupapillomavirus [monotypic]
       13 Genus Dyonupapillomavirus [monotypic]
       14 Genus Dyoomegapapillomavirus [monotypic]
       15 Genus Dyoomikronpapillomavirus [monotypic]
       16 Genus Dyophipapillomavirus [monotypic]
       17 Genus Dyopipapillomavirus [monotypic]
       18 Genus Dyopsipapillomavirus [monotypic]
       19 Genus Dyorhopapillomavirus [monotypic]
       20 Genus Dyosigmapapillomavirus [monotypic]
       21 Genus Dyotaupapillomavirus [monotypic]
       22 Genus Dyothetapapillomavirus [monotypic]
       23 Genus Dyoupsilonpapillomavirus [monotypic]
       24 Genus Dyoxipapillomavirus
       25 Genus Dyozetapapillomavirus [monotypic]
       26 Genus Epsilonpapillomavirus
       27 Genus Etapapillomavirus [monotypic]
       28 Genus Gammapapillomavirus
       29 Genus Iotapapillomavirus
       30 Genus Kappapapillomavirus
       31 Genus Lambdapapillomavirus
       32 Genus Mupapillomavirus
       33 Genus Nupapillomavirus [monotypic]
       34 Genus Omegapapillomavirus [monotypic]
       35 Genus Omikronpapillomavirus [monotypic]
       36 Genus Phipapillomavirus [monotypic]
       37 Genus Pipapillomavirus
       38 Genus Psipapillomavirus
       39 Genus Rhopapillomavirus
       40 Genus Sigmapapillomavirus [monotypic]
       41 Genus Taupapillomavirus
       42 Genus Thetapapillomavirus [monotypic]
       43 Genus Treisdeltapapillomavirus [monotypic]
       44 Genus Treisepsilonpapillomavirus [monotypic]
       45 Genus Treisetapapillomavirus [monotypic]
       46 Genus Treisiotapapillomavirus [monotypic]
       47 Genus Treiskappapapillomavirus [monotypic]
       48 Genus Treisthetapapillomavirus [monotypic]
       49 Genus Treiszetapapillomavirus [monotypic]
       50 Genus Upsilonpapillomavirus
       51 Genus Xipapillomavirus
       52 Genus Zetapapillomavirus [monotypic]