Acetivibrio cellulolyticus Patel et al. 1980 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Oscillospiraceae Peshkoff 1940 (Approved Lists 1980) emend. Tindall 2019 Acetivibrio Patel et al. 1980 emend. Tindall 2019 Acetivibrio cellulolyticus Patel et al. 1980 Acetivibrio Patel et al. 1980 emend. Tindall 2019 Acetivibrio ethanolgignens Robinson and Ritchie 1981 Acetivibrio multivorans Tanaka et al. 1992 Acetivibrio cellulosolvens Khan et al. 1984 Acetivibrio aldrichii (Yang et al. 1990) Tindall 2019 Acetivibrio alkalicellulosi (Zhilina et al. 2006) Tindall 2019 Acetivibrio clariflavus (Shiratori et al. 2009) Tindall 2019 Acetivibrio straminisolvens (Kato et al. 2004) Tindall 2019 Acetivibrio saccincola (Koeck et al. 2016) Tindall 2019 Acetivibrio thermocellus (Viljoen et al. 1926) Tindall 2019 Acetivibrio mesophilus (Rettenmaier et al. 2019) Tindall 2019 Acetivibrio cellulolyticus Patel et al. 1980 Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018 Patel G.B. Khan A.W. Agnew B.J. Colvin J.R. Isolation and characterization of an anaerobic cellulolytic microorganism, Acetivibrio cellulolyticus gen. nov., sp. nov. 1980 30 1 179 185 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-179 Zhang X. Tu B. Dai L.-R. Lawson P.A. Zheng Z.-Z. Liu L.-Y. Deng Y. Zhang H. Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. 2018 68 10 3197 3211 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002966 30124399 Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Tindall B.J. The names Hungateiclostridium Zhang et al. 2018, Hungateiclostridium thermocellum (Viljoen et al. 1926) Zhang et al. 2018, Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018, Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018, Hungateiclostridium alkalicellulosi (Zhilina et al. 2006) Zhang et al. 2018, Hungateiclostridium clariflavum (Shiratori et al. 2009) Zhang et al. 2018, Hungateiclostridium straminisolvens (Kato et al. 2004) Zhang et al. 2018 and Hungateiclostridium saccincola (Koeck et al. 2016) Zhang et al. 2018 contravene Rule 51b of the International Code of Nomenclature of Prokaryotes and require replacement names in the genus Acetivibrio Patel et al. 1980. 2019 69 12 3927 3932 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003685 31526446 Patel G.B. Khan A.W. Agnew B.J. Colvin J.R. Isolation and characterization of an anaerobic cellulolytic microorganism, Acetivibrio cellulolyticus gen. nov., sp. nov. 1980 30 1 179 185 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-179