the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
Spumaretrovirinae (subfamily)
Spumavirus (genus)
simian foamy virus (species)
[hide inferior taxa]
Mandrillus leucophaeus foamy virus (subspecies)
Mandrillus sphinx foamy virus (subspecies)
simian foamy virus-gorilla (subspecies)
simian foamy virus-orangutan (subspecies)
spider monkey foamy virus (subspecies)