Acetofilamentum Dietrich et al. 1989 Acetofilamentum Dietrich et al. 1989 Acetofilamentum rigidum Dietrich et al. 1989 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 Bacteroidaceae Pribram 1933 (Approved Lists 1980) emend. García-López et al. 2019 Acetofilamentum Dietrich et al. 1989 Bacteroidaceae Pribram 1933 (Approved Lists 1980) emend. García-López et al. 2019 Capsularis Prévot 1938 (Approved Lists 1980) Anaerorhabdus Shah and Collins 1986 Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980) emend. Shah and Collins 1989 Acetomicrobium Soutschek et al. 1985 emend. Ben Hania et al. 2016 Acetothermus Dietrich et al. 1988 non Acetothermus Takami et al. 2012 Syntrophus Mountfort et al. 1984 Phocaeicola Al Masalma et al. 2009 emend. García-López et al. 2019 Acetofilamentum rigidum Dietrich et al. 1989 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. Family I. Bacteroidaceae 2010 4 2 25 Bergey's Manual of Systematic Bacteriology Springer New York 0387950427 Dietrich G. Weiss N. Fiedler F. Winter J. Acetofilamentum rigidum gen. nov., sp. nov., a strictly anaerobic bacterium from sewage sludge 1988 10 273 278 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 Dietrich G. Weiss N. Fiedler F. Winter J. Acetofilamentum rigidum gen. nov., sp. nov., a strictly anaerobic bacterium from sewage sludge 1988 10 273 278 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 28. 1989 39 1 93 94 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-39-1-93