the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Hepadnaviridae (family)
Orthohepadnavirus (genus)
mammalian hepatitis B-type viruses (common name)
[hide inferior taxa]
Arctic ground squirrel hepatitis B virus (species)
gibbon hepatitis B virus (species)
ground squirrel hepatitis virus (species)
ground squirrel hepatitis virus x woodchuck hepatitis virus (species)
hepatitis B virus (species)
hepatitis delta virus (species)
woodchuck hepatitis B virus (species)
woodchuck hepatitis virus (species)
woolly monkey hepatitis B virus (species)