the root (no rank)
Viruses (domain)
ssDNA viruses (subkingdom)
Circoviridae (family)
Circovirus (genus)
[hide inferior taxa]
beak and feather disease virus (species)
canary circovirus (species)
columbid circovirus (species)
goose circovirus (species)
mulard duck circovirus (species)
porcine circovirus (species)
starling circovirus (species)