the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
Orthoretrovirinae (subfamily)
Lentivirus (genus)
human immunodeficiency virus type 2 (species)
HIV 2 (alias)
HIV-2 (alias)
HIV-2 D205 (alias)
human immunodeficiency virus 2 (alias)
[hide inferior taxa]
simian immunodeficiency virus SIVmac (subspecies)
simian immunodeficiency virus SIVsm (subspecies)