Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Bacteroidetes Garrity and Holt 2001 see Phylum Bacteroidetes Krieg et al. 2012
       Class "Sphingobacteria" [monotypic] see Class Sphingobacteriia Kämpfer 2012
         Order "Sphingobacteriales" Kämpfer, 2012 see Order Sphingobacteriales Kämpfer 2012
           1 Family Sphingobacteriaceae Steyn et al. 1998
           2 Family "Saprospiraceae" Krieg et al., 2012 see Family Saprospiraceae Krieg et al. 2012
           3 Family "Flexibacteraceae" see Family Cytophagaceae Stanier 1940 (Approved Lists 1980)
           4 Family "Flammeovirgaceae" Garrity and Holt 2001 nom. nud. see Family Flammeovirgaceae Yoon et al. 2011
           5 Family Crenotrichaceae Hansgirg 1888 (Approved Lists 1980)