Flexibacteraceae García-López et al. 2020 Flexibacter Soriano 1945 (Approved Lists 1980) emend. Hahnke et al. 2016 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Bacteroidota corrig. Krieg et al. 2021 Bacteroidetes (sic) Krieg et al. 2021 non Bacteroidetes Krieg 2012 Cytophagia Nakagawa 2012 emend. García-López et al. 2019 Cytophagales Leadbetter 1974 (Approved Lists 1980) emend. García-López et al. 2019 Flexibacteraceae García-López et al. 2020 Cytophagales Leadbetter 1974 (Approved Lists 1980) emend. García-López et al. 2019 Cyclobacteriaceae Nedashkovskaya and Ludwig 2012 Incertae sedis 79 None 2015 Mooreiaceae Choi et al. 2013 Catalimonadaceae Choi et al. 2013 Incertae sedis 84 None 2015 Hymenobacteraceae Munoz et al. 2016 Thermonemataceae Munoz et al. 2016 Persicobacteraceae Munoz et al. 2016 Cytophagaceae Stanier 1940 (Approved Lists 1980) emend. García-López et al. 2019 Beggiatoaceae Migula 1894 (Approved Lists 1980) Simonsiellaceae Steed 1962 (Approved Lists 1980) Leucotrichaceae Buchanan 1957 (Approved Lists 1980) Achromatiaceae Massart 1902 (Approved Lists 1980) Microscillaceae Hahnke et al. 2017 Bernardetiaceae Hahnke et al. 2017 Sphingobacteriaceae Steyn et al. 1998 emend. García-López et al. 2019 Flammeovirgaceae Yoon et al. 2011 Spirosomaceae Larkin and Borrall 1978 (Approved Lists 1980) emend. García-López et al. 2019 Raineyaceae Albuquerque et al. 2018 Cesiribacteraceae García-López et al. 2020 Fulvivirgaceae García-López et al. 2020 Marivirgaceae García-López et al. 2020 Reichenbachiellaceae García-López et al. 2020 Roseivirgaceae García-López et al. 2020 Thermoflexibacteraceae García-López et al. 2020 Mangrovivirgaceae Sefrji et al. 2021 Reichenbachia Nedashkovskaya et al. 2003 Arcicella Nikitin et al. 2004 emend. Chen et al. 2013 Echinicola Nedashkovskaya et al. 2006 Flectobacillus Larkin et al. 1977 (Approved Lists 1980) emend. Ramaprasad et al. 2015 Spirosoma Migula 1894 (Approved Lists 1980) emend. Ahn et al. 2014 Roseivirga Nedashkovskaya et al. 2005 emend. Selvaratnam et al. 2016 Aquiflexum Brettar et al. 2004 emend. Bhumika et al. 2013 Cardinium Zchori-Fein et al. 2004 Emticicia Saha and Chakrabarti 2006 Chimaereicella Tiago et al. 2006 Leadbetterella Weon et al. 2005 Larkinella Vancanneyt et al. 2006 emend. Anandham et al. 2011 Hongiella Yi and Chun 2004 emend. Nedashkovskaya et al. 2004 Runella Larkin and Williams 1978 (Approved Lists 1980) emend. García-López et al. 2019 Microscilla Pringsheim 1951 (Approved Lists 1980) Reichenbachiella (Nedashkovskaya et al. 2003) Nedashkovskaya et al. 2005 emend. Cha et al. 2011 Belliella Brettar et al. 2004 emend. Kumar et al. 2012 Fabibacter Lau et al. 2006 Rhodonellum Schmidt et al. 2006 Marinoscillum Seo et al. 2009 Paenicardinium Noel and Atibalentja 2006 Siphonobacter Táncsics et al. 2010 Flexibacter Soriano 1945 (Approved Lists 1980) emend. Hahnke et al. 2016 Ekhidna Alain et al. 2010 emend. García-López et al. 2019 Persicitalea Yoon et al. 2007 Marinicola Yoon et al. 2005 Effluviibacter Suresh et al. 2006 Zchori-Fein E. Perlman S.J. Kelly S.E. Katzir N. Hunter M.S. Characterization of a 'Bacteroidetes' symbiont in Encarsia wasps (Hymenoptera: Aphelinidae): proposal of 'Candidatus Cardinium hertigii' 2004 54 3 961 968 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02957-0 15143050 Alain K. Tindall B.J. Catala P. Intertaglia L. Lebaron P. Ekhidna lutea gen. nov., sp. nov., a member of the phylum Bacteroidetes isolated from the South East Pacific Ocean 2010 60 12 2972 2978 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.018804-0 20118290 Nedashkovskaya O.I. Kim S.B. Kwon K.K. Shin D.S. Luo X. Kim S.J. Mikhailov V.V. Proposal of Algoriphagus vanfongensis sp. nov., transfer of members of the genera Hongiella Yi and Chun 2004 emend. Nedashkovskaya et al. 2004 and Chimaereicella Tiago et al. 2006 to the genus Algoriphagus, and emended description of the genus Algoriphagus Bowman et al. 2003 emend. Nedashkovskaya et al. 2004. 2007 57 9 1988 1994 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65073-0 17766860 Noel G.R. Atibalentja N. ‘Candidatus Paenicardinium endonii’, an endosymbiont of the plant-parasitic nematode Heterodera glycines (Nemata: Tylenchida), affiliated to the phylum Bacteroidetes 2006 56 7 1697 1702 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64234-0 16825653 Brettar I. Christen R. Höfle M.G. Belliella baltica gen. nov., sp. nov., a novel marine bacterium of the Cytophaga-Flavobacterium-Bacteroides group isolated from surface water of the central Baltic Sea. 2004 54 1 65 70 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02752-0 14742460 Yoon J. Ishikawa S. Kasai H. Yokota A. Persicitalea jodogahamensis gen. nov., sp. nov., a marine bacterium of the family 'Flexibacteraceae', isolated from seawater in Japan 2007 57 5 1014 1017 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64792-0 17473250 Seo H.S. Kwon K.K. Yang S.H. Lee H.S. Bae S.S. Lee J.H. Kim S.J. Marinoscillum gen. nov., a member of the family ‘Flexibacteraceae’, with Marinoscillum pacificum sp. nov. from a marine sponge and Marinoscillum furvescens nom. rev., comb. nov. 2009 59 5 1204 1208 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.004317-0 19406820 Nedashkovskaya O.I. Kim S.B. Lee D.H. Lysenko A.M. Shevchenko L.S. Frolova G.M. Mikhailov V.V. Lee K.H. Bae K.S. Roseivirga ehrenbergii gen. nov., sp. nov., a novel marine bacterium of the phylum 'Bacteroidetes', isolated from the green alga Ulva fenestrata 2005 55 1 231 234 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63341-0 15653879 Suresh K. Mayilraj S. Chakrabarti T. Effluviibacter roseus gen. nov., sp. nov., isolated from muddy water, belonging to the family Flexibacteraceae. 2006 56 7 1703 1707 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64144-0 16825654 Saha P. Chakrabarti T. Emticicia oligotrophica gen. nov., sp. nov., a new member of the family 'Flexibacteraceae', phylum Bacteroidetes. 2006 56 5 991 995 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64086-0 16627643 García-López M. Meier-Kolthoff J.P. Tindall B.J. Gronow S. Woyke T. Kyrpides N.C. Hahnke R.L. Göker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. 2019 10 2083 2083 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2019.02083 31608019 Brettar I. Christen R. Höfle M.G. Aquiflexum balticum gen. nov., sp. nov., a novel marine bacterium of the Cytophaga-Flavobacterium-Bacteroides group isolated from surface water of the central Baltic Sea. 2004 54 6 2335 2341 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63255-0 15545480 Kämpfer P. Krieg N.R. Staley J.T. Brown D.R. Hedlund B.P. Paster B.J. Ward N.L. Ludwig W. Whitman W.B. Order I. Sphingobacteriales ord. nov. 2010 4 2 330 Bergey's Manual of Systematic Bacteriology Springer New York 0387950427 Nedashkovskaya O.I. Kim S.B. Suzuki M. Shevchenko L.S. Lee M.S. Lee K.H. Park M.S. Frolova G.M. Oh H.W. Bae K.S. Park H.Y. Mikhailov V.V. Pontibacter actiniarum gen. nov., sp. nov., a novel member of the phylum 'Bacteroidetes', and proposal of Reichenbachiella gen. nov. as a replacement for the illegitimate prokaryotic generic name Reichenbachia Nedashkovskaya et al. 2003. 2005 55 6 2583 2588 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63819-0 16280531 Lau S.C.K. Tsoi M.M.Y. Li X. Plakhotnikova I. Dobretsov S. Wu M. Wong P.K. Pawlik J.R. Qian P.Y. Description of Fabibacter halotolerans gen. nov., sp. nov. and Roseivirga spongicola sp. nov., and reclassification of [Marinicola] seohaensis as Roseivirga seohaensis comb. nov. 2006 56 5 1059 1065 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64104-0 16627655 Táncsics A. Kéki Z. Márialigeti K. Schumann P. Tóth E.M. Siphonobacter aquaeclarae gen. nov., sp. nov., a novel member of the family ‘Flexibacteraceae’, phylum Bacteroidetes 2010 60 11 2567 2571 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.019398-0 20008110 Nedashkovskaya O.I. Kim S.B. Lysenko A.M. Park M.S. Mikhailov V.V. Bae K.S. Park H.Y. Roseivirga echinicomitans sp. nov., a novel marine bacterium isolated from the sea urchin Strongylocentrotus intermedius, and emended description of the genus Roseivirga 2005 55 5 1797 1800 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63621-0 16166668 Garrity G.M. Holt J.G. Garrity G.M. Boone D.R. Castenholz R.W. Taxonomic Outline of the Archaea and Bacteria. 2001 1 2 155 166 Bergey's Manual of Systematic Bacteriology Springer New York Weon H.Y. Kim B.Y. Kwon S.W. Park I.C. Cha I.B. Tindall B.J. Stackebrandt E. Trüper H.G. Go S.J. Leadbetterella byssophila gen. nov., sp. nov., isolated from cotton-waste composts for the cultivation of oyster mushroom. 2005 55 6 2297 2302 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63741-0 16280486 Nikitin D.I. Strömpl C. Oranskaya M.S. Abraham W.R. Phylogeny of the ring-forming bacterium Arcicella aquatica gen. nov., sp. nov. (ex Nikitin et al. 1994), from a freshwater neuston biofilm 2004 54 3 681 684 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02896-0 15143007 Nedashkovskaya O.I. Kim S.B. Vancanneyt M. Lysenko A.M. Shin D.S. Park M.S. Lee K.H. Jung W.J. Kalinovskaya N.I. Mikhailov V.V. Bae K.S. Swings J. Echinicola pacifica gen. nov., sp. nov., a novel flexibacterium isolated from the sea urchin Strongylocentrotus intermedius 2006 56 5 953 958 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64156-0 16627637 Ramaprasad E.V.V. Sasikala Ch. Ramana Ch.V. Flectobacillus rhizosphaerae sp. nov., isolated from the rhizosphere soil of Oryza sativa (L.), and emended description of the genus Flectobacillus 2015 65 10 3451 3456 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.000432 26297007 Vancanneyt M. Nedashkovskaya O.I. Snauwaert C. Mortier S. Vandemeulebroecke K. Hoste B. Dawyndt P. Frolova G.M. Janssens D. Swings J. Larkinella insperata gen. nov., sp. nov., a bacterium of the phylum 'Bacteroidetes' isolated from water of a steam generator 2006 56 1 237 241 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63948-0 16403892 Schmidt M. Priemé A. Stougaard P. Rhodonellum psychrophilum gen. nov., sp. nov., a novel psychrophilic and alkaliphilic bacterium of the phylum Bacteroidetes isolated from Greenland. 2006 56 12 2887 2892 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64450-0 17158993