Rikenellaceae Krieg et al. 2012 emend. García-López et al. 2019 Rikenellaceae Krieg et al. 2012 emend. García-López et al. 2019 Rikenella Collins et al. 1985 emend. García-López et al. 2019 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 Bacteroidia corrig. Krieg 2012 emend. García-López et al. 2019 Bacteroidetes (sic) Krieg 2012 emend. García-López et al. 2019 non Bacteroidetes Krieg et al. 2021 Bacteroidales Krieg 2012 emend. García-López et al. 2019 Rikenellaceae Krieg et al. 2012 emend. García-López et al. 2019 Bacteroidales Krieg 2012 emend. García-López et al. 2019 Prevotellaceae Krieg 2012 Porphyromonadaceae Krieg 2012 emend. Ormerod et al. 2016 Incertae sedis 12 Garrity et al. 2007 Prolixibacteraceae Huang et al. 2014 emend. Iino et al. 2014 Draconibacteriaceae Du et al. 2014 Lentimicrobiaceae Sun et al. 2016 Balneicellaceae Fadhlaoui et al. 2016 Muribaculaceae Lagkouvardos et al. 2019 Odoribacteraceae Munoz et al. 2016 emend. García-López et al. 2019 Marinifilaceae Iino et al. 2014 emend. Fu et al. 2020 Bacteroidaceae Pribram 1933 (Approved Lists 1980) emend. García-López et al. 2019 Williamwhitmaniaceae Pikuta et al. 2017 emend. García-López et al. 2019 Incertae sedis 373 Hongoh et al. 2007 Incertae sedis 340 Hongoh et al. 2007 Incertae sedis 349 Stingl et al. 2004 Incertae sedis 383 Desai et al. 2010 Homeothermaceae Ormerod et al. 2016 Incertae sedis 504 Solden et al. 2017 Paludibacteraceae Ormerod et al. 2022 Tannerellaceae Ormerod et al. 2022 Dysgonomonadaceae García-López et al. 2020 Marinilabiliaceae Ludwig et al. 2012 emend. García-López et al. 2019 Salinivirgaceae Ben Hania et al. 2017 Barnesiellaceae García-López et al. 2020 Incertae sedis 608 Treitli et al. 2019 Tenuifilaceae Podosokorskaya et al. 2021 Aminobacteroidaceae Mei et al. 2020 Incertae sedis 665 Khomyakova et al. 2021 Alistipes Rautio et al. 2003 emend. Sakamoto et al. 2020 Rikenella Collins et al. 1985 emend. García-López et al. 2019 Anaerocella Abe et al. 2013 Acetobacteroides Su et al. 2014 Mucinivorans Nelson et al. 2015 Gallalistipes Zenner et al. 2021 Su X.-L. Tian Q. Zhang J. Yuan X.-Z. Shi X.-S. Guo R.-B. Qiu Y.-L. Acetobacteroides hydrogenigenes gen. nov., sp. nov., an anaerobic hydrogen-producing bacterium in the family Rikenellaceae isolated from a reed swamp 2014 64 9 2986 2991 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.063917-0 24899658 Krieg N.R. Staley J.T. Brown D.R. Hedlund B.P. Paster B.J. Ward N.L. Ludwig W. Whitman W.B. Krieg N.R. Staley J.T. Brown D.R. Hedlund B.P. Paster B.J. Ward N.L. Ludwig W. Whitman W.B. Family III. Rikenellaceae fam. nov. 2010 4 2 54 Bergey's Manual of Systematic Bacteriology Springer New York 0387950427 Krieg N.R. 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. Bacteroidales ord. nov. 2010 4 2 25 Bergey's Manual of Systematic Bacteriology Springer New York 0387950427 Zenner C. Hitch T.C.A. Riedel T. Wortmann E. Tiede S. Buhl E.M. Abt B. Neuhaus K. Velge P. Overmann J. Kaspers B. Clavel T. Early-Life Immune System Maturation in Chickens Using a Synthetic Community of Cultured Gut Bacteria. 2021 6 3 mSystems mSystems 2379-5077 10.1128/mSystems.01300-20 34006629 Nelson M.C. Bomar L. Maltz M. Graf J. Mucinivorans hirudinis gen. nov., sp. nov., an anaerobic, mucin-degrading bacterium isolated from the digestive tract of the medicinal leech Hirudo verbana 2015 65 3 990 995 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.000052 25563920 Abe K. Ueki A. Ohtaki Y. Kaku N. Watanabe K. Ueki K. Anaerocella delicata gen. nov., sp. nov., a strictly anaerobic bacterium in the phylum Bacteroidetes isolated from a methanogenic reactor of cattle farms 2012 58 405 412 The Journal of General and Applied Microbiology J Gen Appl Microbiol 0022-1260 1349-8037 10.2323/jgam.58.405 23337575 García-López et al. 2019 removed Acetobacteroides based on the phylogenetic analysis of 16S rRNA gene and genome sequences. Euzéby J. Validation List No. 143. List of new names and new combinations previously effectively, but not validly, published 2012 62 1 1 4 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.039487-0 22238335 Krieg N.R. Staley J.T. Brown D.R. Hedlund B.P. Paster B.J. Ward N.L. Ludwig W. Whitman W.B. Krieg N.R. Staley J.T. Brown D.R. Hedlund B.P. Paster B.J. Ward N.L. Ludwig W. Whitman W.B. Family III. Rikenellaceae fam. nov. 2010 4 2 54 Bergey's Manual of Systematic Bacteriology Springer New York 0387950427 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 Garrity G.M. Holt J.G. Garrity G.M. Boone D.R. Castenholz R.W. 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