The comment below has been posted at the request of Marc Van Regenmortel. The comment is in reference to the article "Consensus statement: Virus taxonomy in the age of metagenomics" published in Nature Reviews Microbiology: Nat Rev Microbiol. 2017 Mar;15(3):161-168. PMID: 28134265, and discussed on this site under "Metagenomic sequencing and its impact on virus classification".
A review paper by Marc Van Regenmortel discussing this Consensus statement is available online in Current Topics in Virology 13 : 59-68 ( 2016).