Realm: Varidnaviria Double-stranded DNA viruses of the realm Varidnaviria are characterized by homologous major capsid proteins (MCPs) containing two β-barrel domains (kingdom: Bamfordvirae) known as the jelly roll folds
Phylogeny of the Varidnaviria Morphogenesis Module: Congruence and Incongruence With the Tree of Life and Viral Taxonomy
Anthony C Woo, Morgan Gaia, Julien Guglielmini, Violette Da Cunha, Patrick Forterre
Front Microbiol. 2021 Jul 16:12:704052.
Kingdom: Bamfordvirae
Phylum: Nucleocytoviricota PFAM DNA pol B Cell-type capping
Class: Pokkesviricetes
Order: Asfuvirales
Order: Chitovirales
Poxviridae 22 genera
Class: Megaviricetes
Order: Algavirales
Order: Imitervirales
Allomimiviridae
Mesomimiviridae
Mimiviridae
Aliimimivirinae
Klosneuvirinae
Megamimivirinae
Schizomimiviridae
Order: Pimascovirales
(Capping by host )
Order: Unassigned
(dsDNA virus, no pol, no capping
Class: Mriyaviricetes
Order: Unassigned
Unclassified (2024)
Phylum: Preplasmiviricota PFAM DNA pol B fused to TP no capping
Subphylum: Polisuviricotina
Class: Aquintoviricetes
Order: Archintovirales
Phypoliviridae
Class: Pharingeaviricetes
Order: Rowavirales
Class: Polintoviricetes PFAM DNA pol B
Order: Amphintovirales
Class: Virophaviricetes
Order: Divpevirales
Order: Lavidavirales
Order: Mividavirales
Order: Priklausovirales
Burtonviroviridae
Disuiviroviridae
Gulliviroviridae
Omnlimnoviroviridae
Subphylum: Prepoliviricotina
Class: Tectiliviricetes
Order: Kalamavirales
Kingdom: Abadenavirae
Phylum: Produgelaviricota Proka-type Endonuclease
Class: Ainoaviricetes
Order: Lautamovirales
(dsDNA virus,
PFAM DNA pol B , no capping)
Class: Belvinaviricetes
Order: Atroposvirales
Order: Belfryvirales
Order: Coyopavirales
Order: Vinavirales
Autolykiviridae
Corticoviridae Mestraviridae
Parnassusviridae
Mriyaviruses: small relatives of giant viruses
Natalya Yutin, Pascal Mutz, Mart Krupovic, Eugene V Koonin
mBio. 2024 Jul 17;15(7)
. Most capsids are icosahedral with T=21 to T=972-1200 symmetry.