the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
Orthoretrovirinae (subfamily)
Alpharetrovirus (genus)
ALV-related viruses (alias)
avian type C retroviruses (common name)
[hide inferior taxa]
avian endogenous virus ev-1 (species)
avian endogenous virus RAV-0 (species)
avian erythroblastosis virus (species)
avian leukosis virus (species)
avian musculoaponeurotic fibrosarcoma virus (species)
avian myeloblastosis virus (species)
avian myeloblastosis-associated virus (species)
avian myelocytomatosis virus (species)
avian reticuloendotheliosis virus (species)
avian retrovirus AS42 (species)
avian retrovirus IC10 (species)
avian retrovirus NK24 (species)
avian sarcoma virus (species)
avian spleen necrosis virus (species)
lymphoproliferative disease virus (species)
oncogenic virus E26 (species)
spleen necrosis virus (species)