the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
[hide inferior taxa]
AIDS-associated retrovirus (species)
AKT8 retrovirus (species)
Atlantic salmon swim bladder sarcoma virus (species)
avian endogenous retrovirus EAV-HP (species)
avian hemangioma retrovirus (species)
avian sarcoma and leukosis virus (species)
avian transforming retrovirus (species)
baboon T cell leukemia virus (species)
cat endogenous retrovirus (species)
endogenous retrovirus (species)
endogenous retrovirus EAV-0 (species)
endogenous type C retrovirus (species)
enzootic nasal tumor virus (species)
human endogenous retrovirus (species)
human endogenous retrovirus 4-1 (species)
human endogenous retrovirus HERV-E (species)
human endogenous retrovirus HERV-H (species)
human endogenous retrovirus HERV-K10 (species)
human endogenous retrovirus HML-6 (species)
human endogenous retrovirus K (species)
human endogenous virus ERV-3 (species)
human endogenous virus ERV-9 (species)
human endogenous virus HLM-2 (species)
Intracisternal A-particles (genus)
malignant histiocytosis sarcoma virus (species)
marmoset endogenous retrovirus HERV-H (species)
multiple sclerosis-associated retrovirus (species)
murine endogenous retrovirus 3.1 (species)
murine endogenous retrovirus E1 (species)
murine endogenous retrovirus L510 (species)
murine endogenous retrovirus L511 (species)
murine endogenous retrovirus MuERV-L (species)
murine endogenous retrovirus TLev1 (species)
murine leukemia virus-related retrovirus (species)
murine melanoma-associated retrovirus (species)
murine retrovirus MCF247 (species)
Orthoretrovirinae (subfamily)
pig retrovirus (species)
retrovirus DevI (species)
retrovirus SpeV (species)
simian endogenous retrovirus (species)
simian retrovirus 6 (species)
snakehead fish retrovirus (species)
Spumaretrovirinae (subfamily)
turkey lymphoproliferative disease virus (species)
Xenopus laevis endogenous retrovirus (species)