We have rewritten the paragraph as: “The new phylum Korarchaeota violates the monophyly of the phylum Crenarchaeota by drawing to itself the family Thermofilaceae. However, in an on-going study of ours (not published yet) using a much larger data set, this violation no longer shows up; both R8 Korarchaeota and Crenarchaeota restore their phylum status. Taking into account the fact that both Korarchaeota and Thermofilaceae are represented by single species for the time being, their placement certainly requires further study with broader sampling of genomes.”
It is the only described representative of a newly proposed phylum Nanoarchaeota and it cuts into the otherwise monophyletic phylum Euryarchaeota.