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)
           Family Rhodothermaceae Ludwig et al. 2012
             1 Genus Longimonas Xia et al. 2015
             2 Genus Rhodothermus Alfredsson et al. 1995
             3 Genus Rubricoccus Park et al. 2011
             4 Genus Rubrivirga Park et al. 2013
             5 Genus Salinibacter Antón et al. 2002
             6 Genus Salisaeta Vaisman and Oren 2009