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Virus classification
Group: Group I (dsDNA)
(unranked): Nucleocytoplasmic large DNA viruses
Family: Megaviridae

The Megaviridae are a proposed family of double-stranded DNA viruses that have not been recognized by the ICTV. The members of this proposed family are the DNA viruses with the largest known genomes. The classification of this group is ongoing but its members include Megavirus, Mimivirus, Phaeocystis globosa virus and Cafeteria roenbergensis virus.[1]


  1. ^ Santini S, Jeudy S, Bartoli J, Poirot O, Lescot M, Abergel C, Barbe V, Wommack KE, Noordeloos AA, Brussaard CP, Claverie JM (2013) Genome of Phaeocystis globosa virus PgV-16T highlights the common ancestry of the largest known DNA viruses infecting eukaryotes. Proc Natl Acad Sci USA