the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
Orthoretrovirinae (subfamily)
Lentivirus (genus)
[hide inferior taxa]
bovine immunodeficiency virus (species)
bovine immunodeficiency-like virus (species)
bovine lentivirus (species)
caprine arthritis-encephalitis virus (species)
equine infectious anemia virus (species)
feline immunodeficiency virus (species)
feline lentivirus (species)
human immunodeficiency virus (species)
human immunodeficiency virus type 1 (species)
human immunodeficiency virus type 2 (species)
human immunodeficiency virus Zr-6 (species)
Jembrana disease virus (species)
ovine lentivirus (species)
puma lentivirus (species)
simian immunodeficiency virus (species)
simian-human immunodeficiency virus (species)
small ruminant lentivirus (species)
Visna virus (species)