Taxonomic information: human papillomavirus 18

the root (no rank)
   Viruses (domain)
      dsDNA viruses, no RNA stage (subkingdom)
         Papillomaviridae (family)
            Alphapapillomavirus (genus)
               human papillomavirus 18 (species)
                  human papillomavirus type 18 (alias)
                  [hide inferior taxa]
                  human papillomavirus cand85 (subspecies)
                  human papillomavirus type 39 (subspecies)
                  human papillomavirus type 59 (subspecies)

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