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Bunyavirales (12 families)
Herpesvirales (3 families)
Mononegavirales (11 families)
Picornavirales (8 families)
- Upcoming class: Flaviviridae
Riboviria > Orthornavirae > Kitrinoviricota > Flasuviricetes > Amarillovirales > Flaviviridae
Riboviria is a realm of viruses that was established in 2018 to include:
- all RdRp-encoding RNA viruses (kingdom: Orthornavirae) and then was expanded to include
- RdDp-encoding retroviruses (kingdom: Pararnavirae) as well.
This realm mainly includes most eukaryotic viruses.
Orthornavirae comes from Greek ὀρθός [orthós], meaning straight. [rna], refers to RNA, and –[virae] is the virus kingdom suffix.
Kitrinoviricota comes from Greek κίτρινος [kitrinos], meaning citron. [viricota] is the virus phylum suffix.