Peptostreptococcaceae Ezaki 2010 Peptostreptococcaceae Ezaki 2010 Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ezaki et al. 2001 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 Peptostreptococcaceae Ezaki 2010 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Eubacteriaceae Ludwig et al. 2010 Caldicoprobacteraceae Yokoyama et al. 2010 Christensenellaceae Morotomi et al. 2012 Clostridiaceae Pribram 1933 (Approved Lists 1980) emend. Spring 2021 Defluviitaleaceae Jabari et al. 2012 Gracilibacteraceae Lee et al. 2010 Heliobacteriaceae Asao and Madigan 2010 Lachnospiraceae Rainey 2010 Peptococcaceae Rogosa 1971 (Approved Lists 1980) emend. Lv et al. 2020 Ruminococcaceae Rainey 2010 Syntrophomonadaceae Zhao et al. 1993 emend. Zhang et al. 2019 Eubacteriineae Breed et al. 1944 (Approved Lists 1980) Oscillospiraceae Peshkoff 1940 (Approved Lists 1980) emend. Tindall 2019 Incertae sedis 723 Hitch et al. 2021 Filifactor Collins et al. 1994 Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ezaki et al. 2001 Tepidibacter Slobodkin et al. 2003 emend. Tan et al. 2012 Asaccharospora Gerritsen et al. 2014 Romboutsia Gerritsen et al. 2014 emend. 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Hashimi A. Ducrey É. Guay É.F. Raymond F. Corbeil J. Domingo M.-C. Roy P.H. Boissinot M. Tocheva E.I. Omar R.F. Criibacterium bergeronii gen. nov., sp. nov., a new member of the family Peptostreptococcaceae, isolated from human clinical samples. 2021 71 3 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.004691 33586648 Li G. Zeng X. Liu X. Zhang X. Shao Z. Wukongibacter baidiensis, gen. nov., sp. nov., an anaerobic bacterium isolated from Indian Ocean, and proposal for the reclassification of the closely related members, Clostridium halophilum and Clostridium caminithermale, into Maledivibacter gen. nov. and Paramaledivibacter gen. nov. respectively. 2016 66 11 4355 4361 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001355 27473553 Ezaki T. De Vos P. Garrity G. Jones D. Krieg N.R. Ludwig W. Rainey F.A. Schleifer K.H. 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