Family: Bicaudaviridae

Genus: Bicaudavirus


Distinguishing features

Since only one genus is currently recognized, the genus description corresponds to the family description

Derivation of names

Acidianus two-tailed virus: genus of archaeal host Acidianus and the distinguishing characteristic of the virion

Species demarcation criteria

Not applicable

Related, unclassified viruses

A closely related virus, Acidianus two-tailed virus 2, which shares 90% identity over 92% of the genome, is an unclassified virus within the genus Bicaudavirus. 

Virus name

Accession number

Virus abbreviation

Acidianus two-tailed virus 2



Virus names and virus abbreviations are not official ICTV designations.