the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Hepadnaviridae (family)
Avihepadnavirus (genus)
avian hepatitis B-type viruses (common name)
[hide inferior taxa]
duck hepatitis B virus (species)
duck hepatitis virus (species)
heron hepatitis B virus (species)
heron hepatitis virus (species)
Ross' goose hepatitis B virus (species)
sheldgoose hepatitis B virus (species)