bidensovirus
bidnavirus
betapapillomavirus
betaretrovirus
porprismacovirus
ssDNA
betanodavirus
alfamovirus
marnavirus
solendovirus
alphaherpesvirus
mardivirus
betaherpesvirus
protoparvovirus
cuevavirus
prymnesiovirus
bocaparvovirus
aquabirnavirus
suipoxvirus
megrivirus
betasatellite
sea star-associated densovirus
pasivirus
prasinovirus
teschovirus
podovirus
levivirus
pelarspovirus
foveavirus
ambidensovirus
varicellovirus
phaeovirus
raphidovirus
nanovirus
betapartitivirus
nebovirus
fraservirus
carmovirus
gammapapillomavirus
deltabaculovirus
smacovirus
amdovirus
lagovirus
orthohepadnavirus
begomovirus
turncurtovirus
avibirnavirus
deltaretrovirus
parechovirus
velarivirus