http://purl.obolibrary.org/obo/NCBITaxon_2169561 https://en.wikipedia.org/wiki/Category:Ortervirales https://en.wikipedia.org/wiki/Ortervirales https://eol.org/pages/51944006 https://species.wikimedia.org/wiki/Ortervirales https://www.wikidata.org/wiki/Q51526792 Ortervirales an order that contains single-stranded RNA viruses that replicate through a DNA intermediate (Group VI) and double-stranded DNA viruses (except Hepadnaviridae) that replicate through an RNA intermediate (Group VII). The name is derived from the reverse of retro. virus