Incertae sedis 142 Liu et al. 2014 Incertae sedis 142 Liu et al. 2014 Incertae sedis 143 Liu et al. 2014 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 Incertae sedis 142 Liu et al. 2014 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Thermolithobacteria Sokolova et al. 2007 Firmibacteria Murray 1988 Negativicutes Marchandin et al. 2010 Erysipelotrichi Ludwig et al. 2009 Erysipelotrichia (Ludwig et al. 2009) Ludwig et al. 2010 Tissierellia Alauzet et al. 2014 Limnochordia Watanabe et al. 2015 Mollicutes Edward and Freundt 1967 (Approved Lists 1980) emend. Gupta et al. 2019 Bacilli Ludwig et al. 2010 Incertae sedis 197 Chivian et al. 2008 Incertae sedis 433 Ngugi et al. 2017 Incertae sedis 497 Pfleiderer et al. 2013 Culicoidibacteria Neupane et al. 2020 Desulfuribacillia Sorokin et al. 2021 Incertae sedis 683 Jungbluth et al. 2017 Incertae sedis 143 Liu et al. 2014 Gibbons N.E. Murray R.G.E. Proposals concerning the higher taxa of Bacteria 1978 28 1 1 6 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-28-1-1 Liu Y. Qiao J.-T. Yuan X.-Z. Guo R.-B. Qiu Y.-L. Hydrogenispora ethanolica gen. nov., sp. nov., an anaerobic carbohydrate-fermenting bacterium from anaerobic sludge 2014 64 5 1756 1762 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.060186-0 24554637