prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Bacteroidetes" Krieg et al. 2012
       Class Cytophagia Nakagawa 2012 [monotypic]
         Order Cytophagales Leadbetter 1974 (Approved Lists 1980)
           1 Family Catalimonadaceae Choi et al. 2013 [monotypic]
           2 Family Cyclobacteriaceae Nedashkovskaya and Ludwig 2012
           3 Family Cytophagaceae Stanier 1940 (Approved Lists 1980)
           4 Family Flammeovirgaceae Yoon et al. 2011
           5 Family Mooreiaceae Choi et al. 2013 [monotypic]
           6 Family Rhodothermaceae Ludwig et al. 2012
           7 Genus Chryseolinea Kim et al. 2013, incertae sedis
           8 Genus Luteivirga Haber et al. 2013, incertae sedis
           9 Genus Ohtaekwangia Yoon et al. 2011, incertae sedis