Acetivibrio mesophilus (Rettenmaier et al. 2019) Tindall 2019 Acetivibrio mesophilus (Rettenmaier et al. 2019) Tindall 2019 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 mesophilus (Rettenmaier et al. 2019) Tindall 2019 Acetivibrio Patel et al. 1980 emend. Tindall 2019 Acetivibrio ethanolgignens Robinson and Ritchie 1981 Acetivibrio cellulolyticus Patel et al. 1980 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 Hungateiclostridium mesophilum Rettenmaier et al. 2019 Rettenmaier R. Gerbaulet M. Liebl W. Zverlov V.V. Hungateiclostridium mesophilum sp. nov., a mesophilic, cellulolytic and spore-forming bacterium isolated from a biogas fermenter fed with maize silage. 2019 69 11 3567 3573 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003663 31429816 Tindall B.J. Replacement of the illegitimate genus name Hungateiclostridium Zhang et al. 2018 in Hungateiclostridium mesophilum Rettenmaier et al. 2019 by Acetivibrio Patel et al. 1980, creating Acetivibrio mesophilus (Rettenmaier et al. 2019). 2019 69 12 3967 3968 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003810 31665099 Hungateiclostridium mesophilum Rettenmaier et al. 2019 Hungateiclostridium mesophilum Rettenmaier et al. 2019 Tindall B.J. Replacement of the illegitimate genus name Hungateiclostridium Zhang et al. 2018 in Hungateiclostridium mesophilum Rettenmaier et al. 2019 by Acetivibrio Patel et al. 1980, creating Acetivibrio mesophilus (Rettenmaier et al. 2019). 2019 69 12 3967 3968 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003810 31665099