the root (no rank)
Viruses (domain)
dsDNA viruses, no RNA stage (subkingdom)
Adenoviridae (family)
Mastadenovirus (genus)
human adenovirus A (species)
[hide inferior taxa]
human adenovirus type 12 (subspecies)
human adenovirus type 18 (subspecies)
human adenovirus type 31 (subspecies)