Adenoviridae (basis of record)
AHJD-like viruses (basis of record)
Alfamovirus (basis of record)
Allexivirus (basis of record)
Alloherpesviridae (basis of record)
Allolevivirus (basis of record)
Alphabaculovirus (basis of record)
Alphacoronavirus (basis of record)
Alphacryptovirus (basis of record)
Alphaentomopoxvirus (basis of record)
Alphaflexiviridae (basis of record)
Alphaherpesvirinae (basis of record)
Alphalipothrixvirus (basis of record)
Alphanodavirus (basis of record)
Alphapapillomavirus (basis of record)
Alpharetrovirus (basis of record)
Alphatorquevirus (basis of record)
Alphavirus (basis of record)
Amdovirus (basis of record)
Ampelovirus (basis of record)
Ampullaviridae (basis of record)
Ampullavirus (basis of record)
Anelloviridae (basis of record)
Anulavirus (basis of record)
Aparavirus (basis of record)
Aphthovirus (basis of record)
Aquabirnavirus (basis of record)
Aquareovirus (basis of record)
Arenaviridae (basis of record)
Arenavirus (basis of record)
Arteriviridae (basis of record)
Arterivirus (basis of record)
Ascoviridae (basis of record)
Ascovirus (basis of record)
Asfarviridae (basis of record)
Asfivirus (basis of record)
Astroviridae (basis of record)
Atadenovirus (basis of record)
Aureusvirus (basis of record)
Autographivirinae (basis of record)
Avastrovirus (basis of record)
Avenavirus (basis of record)
Aviadenovirus (basis of record)
Avibirnavirus (basis of record)
Avihepadnavirus (basis of record)
Avihepatovirus (basis of record)
Avipoxvirus (basis of record)
Avulavirus (basis of record)
Babuvirus (basis of record)
Baculoviridae (basis of record)
Badnavirus (basis of record)
Bafinivirus (basis of record)
Barnaviridae (basis of record)
Barnavirus (basis of record)
Batrachovirus (basis of record)
Bdellomicrovirus (basis of record)
Begomovirus (basis of record)
Benyvirus (basis of record)
Betabaculovirus (basis of record)
Betacoronavirus (basis of record)
Betacryptovirus (basis of record)
Betaentomopoxvirus (basis of record)
Betaflexiviridae (basis of record)
Betaherpesvirinae (basis of record)
Betalipothrixvirus (basis of record)
Betanodavirus (basis of record)
Betapapillomavirus (basis of record)
Betaretrovirus (basis of record)
Betatetravirus (basis of record)
Betatorquevirus (basis of record)
Bicaudaviridae (basis of record)
Bicaudavirus (basis of record)
Birnaviridae (basis of record)
Blosnavirus (basis of record)
Bocavirus (basis of record)
Bornaviridae (basis of record)
Bornavirus (basis of record)
Botrexvirus (basis of record)
Bpp-1-like viruses (basis of record)
Bracovirus (basis of record)
Brambyvirus (basis of record)
Brevidensovirus (basis of record)
Bromoviridae (basis of record)
Bromovirus (basis of record)
Bunyaviridae (basis of record)
Bymovirus (basis of record)
C2-like viruses (basis of record)
Caliciviridae (basis of record)
Capillovirus (basis of record)
Capripoxvirus (basis of record)
Cardiovirus (basis of record)
Cardoreovirus (basis of record)
Carlavirus (basis of record)
Carmovirus (basis of record)
Caudovirales (basis of record)
Caulimoviridae (basis of record)
Caulimovirus (basis of record)
Cavemovirus (basis of record)
Cervidpoxvirus (basis of record)
Cheravirus (basis of record)