Rikenella Collins et al. 1985 emend. García-López et al. 2019 Rikenella microfusus (Kaneuchi and Mitsuoka 1978) Collins et al. 1985 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 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 Rikenella Collins et al. 1985 emend. García-López et al. 2019 Rikenellaceae Krieg et al. 2012 emend. García-López et al. 2019 Alistipes Rautio et al. 2003 emend. Sakamoto et al. 2020 Anaerocella Abe et al. 2013 Acetobacteroides Su et al. 2014 Mucinivorans Nelson et al. 2015 Gallalistipes Zenner et al. 2021 Rikenella microfusus (Kaneuchi and Mitsuoka 1978) Collins et al. 1985 emend. Hahnke et al. 2016 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 Collins M.D. Shah H.N. Mitsuoka T. Reclassification of Bacteroides microfusus (Kaneuchi and Mitsuoka) in a new genus Rikenella, as Rikenella microfusus comb. nov. 1985 6 79 81 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020