Selected Taxon
mammalian hepatitis B-type viruses
The lineage is ordered from the selected organism upward toward higher-level taxonomy.
Starting point:
mammalian hepatitis B-type viruses
Level 1:
Hepadnaviridae
(family)
Level 2:
Retroid viruses
(no rank)
Level 3:
Vira
(no rank)
Level 4:
all
(no rank)