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 Cytophagaceae Stanier 1940 (Approved Lists 1980)
             Genus Pontibacter Nedashkovskaya et al. 2005