the root (no rank)
Viruses (domain)
retroid viruses (subkingdom)
Retroviridae (family)
Orthoretrovirinae (subfamily)
Betaretrovirus (genus)
ovine pulmonary adenocarcinoma virus (species)
jaagsiekte retrovirus (alias)
jaagsiekte sheep retrovirus (alias)
ovine pulmonary carcinoma virus (alias)
sheep pulmonary adenomatosis virus (alias)
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