Pisoniviricetes
| Pisoniviricetes | |
|---|---|
| Clockwise from top left: TEM of avian coronavirus, hepatitis A virus, Nam Dinh virus, polio virus, transmissible gastroenteritis coronavirus, calicivirus, equine torovirus, Norwalk virus. Center: Picornain 3C – a 3C-like protease characteristic of class Pisoniviricetes | |
| Virus classification | |
| (unranked): | Virus | 
| Realm: | Riboviria | 
| Kingdom: | Orthornavirae | 
| Phylum: | Pisuviricota | 
| Class: | Pisoniviricetes | 
Pisoniviricetes is a class of positive-strand RNA viruses which infect eukaryotes. A characteristic of the group is a conserved 3C-like protease from the PA clan of proteases for processing the translated polyprotein. The name of the group is a portmanteau of member orders "picornavirales, sobelivirales, nidovirales" and -viricetes which is the suffix for a virus class.