Riboviria is the only realm of viruses circumscribed as of March 2019.[1] It contains all RNA viruses and viroids.[2] As such, it takes the first part of its name, ribo- from ribonucleic acid, or RNA.[2]

Virus classification e
(unranked): Virus
Realm: Riboviria


Riboviria consists of the phylum Negarnaviricota and multiple incertae sedis orders, families, and genera.[1]


  • Negarnaviricota

Incertae sedis ordersEdit

Incertae sedis familiesEdit

Incertae sedis generaEdit

See alsoEdit


  1. ^ a b "Virus Taxonomy: 2018 Release" (html). International Committee on Taxonomy of Viruses (ICTV). October 2018. Retrieved 8 March 2019.
  2. ^ a b Gorbalenya, Alexander E.; Krupovic, Mart; Siddell, Stuart; Varsani, Arvind; Kuhn, Jens H. (15 October 2018). "Riboviria: establishing a single taxon that comprises RNA viruses at the basal rank of virus taxonomy" (docx). International Committee on Taxonomy of Viruses (ICTV). Retrieved 9 March 2019.

Further readingEdit