Biota (Life)
Virus (Viruses)
Riboviria
Pararnavirae
Artverviricota
Revtraviricetes
Ortervirales
Retrovirus (Retroviridae)
Orthoretrovirinae (Retroviruses)
Gammaretrovirus
Reticuloendotheliosis virus (18394149)
Children (2 direct children, 2 direct and indirect children):
Avian spleen necrosis virus
Spleen necrosis virus