Alfamovirus (basis of record)
Alfamovirus (extant flag source)
Allexivirus (extant flag source)
Allexivirus (basis of record)
Allolevivirus accepted as Qubevirus (basis of record)
Allolevivirus accepted as Qubevirus (extant flag source)
Alphacryptovirus (extant flag source)
Alphacryptovirus (basis of record)
Alphaentomopoxvirus (basis of record)
Alphaentomopoxvirus (extant flag source)
Alphalipothrixvirus (extant flag source)
Alphalipothrixvirus (basis of record)
Alphanodavirus (basis of record)
Alphanodavirus (extant flag source)
Alphapapillomavirus (extant flag source)
Alphapapillomavirus (basis of record)
Alpharetrovirus (basis of record)
Alpharetrovirus (extant flag source)
Alphavirus (extant flag source)
Alphavirus (basis of record)
Amdovirus accepted as Amdoparvovirus (basis of record)
Amdovirus accepted as Amdoparvovirus (extant flag source)
Ampelovirus (basis of record)
Ampelovirus (extant flag source)
Anellovirus (basis of record)
Anellovirus (extant flag source)
Apscaviroid (extant flag source)
Apscaviroid (basis of record)
Aquabirnavirus (extant flag source)
Aquabirnavirus (basis of record)
Aquareovirus (extant flag source)
Aquareovirus (basis of record)
Arenavirus accepted as Mammarenavirus (extant flag source)
Arenavirus accepted as Mammarenavirus (basis of record)
Arterivirus (basis of record)
Arterivirus (extant flag source)
Ascovirus (basis of record)
Ascovirus (extant flag source)
Asfivirus (basis of record)
Asfivirus (extant flag source)
Atadenovirus accepted as Barthadenovirus (extant flag source)
Atadenovirus accepted as Barthadenovirus (basis of record)
Aureusvirus (basis of record)
Aureusvirus (extant flag source)
Avastrovirus (extant flag source)
Avastrovirus (basis of record)
Avenavirus (basis of record)
Avenavirus (extant flag source)
Aviadenovirus (extant flag source)
Aviadenovirus (basis of record)
Avibirnavirus (basis of record)
Avibirnavirus (extant flag source)
Avihepadnavirus (basis of record)
Avihepadnavirus (extant flag source)
Avipoxvirus (extant flag source)
Avipoxvirus (basis of record)
Avsunviroid (extant flag source)
Avsunviroid (basis of record)
Avulavirus accepted as Metaavulavirus (basis of record)
Avulavirus accepted as Metaavulavirus (extant flag source)
Babuvirus (basis of record)
Babuvirus (extant flag source)
Badnavirus (basis of record)
Badnavirus (extant flag source)
Barnavirus (basis of record)
Barnavirus (extant flag source)
Bdellomicrovirus (extant flag source)
Bdellomicrovirus (basis of record)
Begomovirus (basis of record)
Begomovirus (extant flag source)
Betacryptovirus (basis of record)
Betacryptovirus (extant flag source)
Betaentomopoxvirus (basis of record)
Betaentomopoxvirus (extant flag source)
Betalipothrixvirus (extant flag source)
Betalipothrixvirus (basis of record)
Betanodavirus (basis of record)
Betanodavirus (extant flag source)
Betapapillomavirus (extant flag source)
Betapapillomavirus (basis of record)
Betaretrovirus (basis of record)
Betaretrovirus (extant flag source)
Betatetravirus (extant flag source)
Betatetravirus (basis of record)
Bocavirus accepted as Bocaparvovirus (basis of record)
Bocavirus accepted as Bocaparvovirus (extant flag source)
Bornavirus accepted as Orthobornavirus (extant flag source)
Bornavirus accepted as Orthobornavirus (basis of record)
Brevidensovirus accepted as Brevihamaparvovirus (basis of record)
Brevidensovirus accepted as Brevihamaparvovirus (extant flag source)
Bromovirus (basis of record)
Bromovirus (extant flag source)
Bymovirus (basis of record)
Bymovirus (extant flag source)
Capillovirus (basis of record)
Capillovirus (extant flag source)
Capripoxvirus (extant flag source)
Capripoxvirus (basis of record)
Cardiovirus (basis of record)
Cardiovirus (extant flag source)