Aarhusvirus (basis of record)
Aarhusvirus (verified source for family)
Aarhusvirus (name verified source)
Aarhusvirus (current name source)
Aarhusvirus (extant flag source)
Aastrivirus (basis of record)
Aastrivirus (verified source for family)
Aastrivirus (name verified source)
Aastrivirus (current name source)
Aastrivirus (extant flag source)
Abaiavirus (basis of record)
Abaiavirus (verified source for family)
Abaiavirus (name verified source)
Abaiavirus (current name source)
Abaiavirus (extant flag source)
Abbeymikolonvirus (basis of record)
Abbeymikolonvirus (verified source for family)
Abbeymikolonvirus (name verified source)
Abbeymikolonvirus (current name source)
Abbeymikolonvirus (extant flag source)
Aberdnavirus (basis of record)
Aberdnavirus (verified source for family)
Aberdnavirus (name verified source)
Aberdnavirus (current name source)
Aberdnavirus (extant flag source)
Abidjanvirus (basis of record)
Abidjanvirus (verified source for family)
Abidjanvirus (name verified source)
Abidjanvirus (current name source)
Abidjanvirus (extant flag source)
Abouovirus (verified source for family)
Abyssoviridae (basis of record)
Abyssoviridae (taxonomy source)
Abyssoviridae (name verified source)
Abyssoviridae (current name source)
Abyssoviridae (extant flag source)
Acadevirus (basis of record)
Acadevirus (verified source for family)
Acadevirus (name verified source)
Acadevirus (current name source)
Acadevirus (extant flag source)
Acadianvirus (verified source for family)
Acajnonavirus (basis of record)
Acajnonavirus (verified source for family)
Acajnonavirus (name verified source)
Acajnonavirus (current name source)
Acajnonavirus (extant flag source)
Acamarivirus (basis of record)
Acamarivirus (verified source for family)
Acamarivirus (name verified source)
Acamarivirus (current name source)
Acamarivirus (extant flag source)
Acanvirus (basis of record)
Acanvirus (verified source for family)
Acanvirus (name verified source)
Acanvirus (current name source)
Acanvirus (extant flag source)
Acciovirus (basis of record)
Acciovirus (verified source for family)
Acciovirus (name verified source)
Acciovirus (current name source)
Acciovirus (extant flag source)
Aceathervirus (basis of record)
Aceathervirus (verified source for family)
Aceathervirus (name verified source)
Aceathervirus (current name source)
Aceathervirus (extant flag source)
Acionnavirus (basis of record)
Acionnavirus (verified source for family)
Acionnavirus (name verified source)
Acionnavirus (current name source)
Acionnavirus (extant flag source)
Ackermannviridae (taxonomy source)
Acridvirus (basis of record)
Acridvirus (verified source for family)
Acridvirus (name verified source)
Acridvirus (current name source)
Acridvirus (extant flag source)
Actinovirus (basis of record)
Actinovirus (verified source for family)
Actinovirus (name verified source)
Actinovirus (current name source)
Actinovirus (extant flag source)
Adahmuvirus (basis of record)
Adahmuvirus (verified source for family)
Adahmuvirus (name verified source)
Adahmuvirus (current name source)
Adahmuvirus (extant flag source)
Adaiavirus (basis of record)
Adaiavirus (verified source for family)
Adaiavirus (name verified source)
Adaiavirus (current name source)
Adaiavirus (extant flag source)
Adamaviridae (basis of record)
Adamaviridae (taxonomy source)
Adamaviridae (name verified source)
Adamaviridae (current name source)
Adamaviridae (extant flag source)
Adenoviridae (current name source)
Adenoviridae (taxonomy source)

 Taxonomic remark

 for Deltalipothrixvirus

Non-current name (no longer appears in ICTV 2023 Master Species List). [details]

 Taxonomic remark

 for Ictalurivirus

Possibly now Ictavirus in ICTV 2023 Master Species List (not further researched). [details]

 Taxonomic remark

 for Leviviridae

Family Leviviridae and genus Levivirus no longer appear on ICTV list, 2023 version. Synonymy is notional only: ... [details]

 Taxonomic remark

 for Lipothrixvirus

Non-current name (no longer appears in ICTV 2023 Master Species List). [details]

 Taxonomic remark

 for Podoviridae

Family no longer recognised; many of its former genera e.g. Teseptimavirus (formerly T7virus) now placed in ... [details]

 Taxonomic remark

 for Reoviridae

Family no longer recognised, previous genera now assigned to other families. Synonymy is notional, and follows ... [details]

 Taxonomic remark

 for Rudivirus

Non-current name (does not appear in ICTV 2023 Master Species List). [details]