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Phylogentic tree with famlies Potyviridae and Astroviridae
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Stelpaviricetes

Stelpaviricetes is a class of non-enveloped, positive-strand RNA viruses which infect plants and animals.[1] Characteristic of the group is a VPg protein attached to the 5'-end of the genome and a conserved 3C-like protease from the PA clan of proteases for processing the translated polyprotein.[2][3] The name of the group is a syllabic abbreviation of member orders "stellavirales, patatavirales" with the suffix -viricetes denoting a virus class.[4]


The following orders are recognized:


  1. ^ "Virus Taxonomy: 2019 Release". International Committee on Taxonomy of Viruses. Retrieved 25 April 2020.
  2. ^ Bosch, Albert; Pintó, Rosa M.; Guix, Susana (2014-10-01). "Human Astroviruses". Clinical Microbiology Reviews. 27 (4): 1048–1074. doi:10.1128/CMR.00013-14. ISSN 0893-8512. PMC 4187635. PMID 25278582.
  3. ^ Sochor, Jiri; Babula, Petr; Adam, Vojtech; Krska, Boris; Kizek, Rene (November 2012). "Sharka: The Past, The Present and The Future". Viruses. 4 (11): 2853–2901. doi:10.3390/v4112853. PMC 3509676. PMID 23202508.
  4. ^ Koonin EV, Dolja VV, Krupovic M, Varsani A, Wolf YI, Yutin N, Zerbini M, Kuhn JH. "Proposal: Create a megataxonomic framework, filling all principal taxonomic ranks, for realm Riboviria". International Committee on Taxonomy of Viruses (ICTV). Retrieved 2020-05-21.{{cite web}}: CS1 maint: multiple names: authors list (link)