Negativicutes Marchandin et al. 2010 Negativicutes Marchandin et al. 2010 Selenomonadales Marchandin et al. 2010 emend. Campbell et al. 2015 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 Negativicutes Marchandin et al. 2010 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 Erysipelotrichi Ludwig et al. 2009 Erysipelotrichia (Ludwig et al. 2009) Ludwig et al. 2010 Incertae sedis 142 Liu et al. 2014 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 Selenomonadales Marchandin et al. 2010 emend. Campbell et al. 2015 Veillonellales Campbell et al. 2015 Acidaminococcales Campbell et al. 2015 Marchandin H. Teyssier C. Campos J. Jean-Pierre H. Roger F. Gay B. Carlier P.-P. Jumas-Bilak E. Negativicoccus succinicivorans gen. nov., sp. nov., isolated from human clinical samples, emended description of the family Veillonellaceae and description of Negativicutes classis nov., Selenomonadales ord. nov. and Acidaminococcaceae fam. nov. in the bacterial phylum Firmicutes 2010 60 6 1271 1279 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.013102-0 19667386 Campbell C. Adeolu M. Gupta R.S. Genome-based taxonomic framework for the class Negativicutes: division of the class Negativicutes into the orders Selenomonadales emend., Acidaminococcales ord. nov. and Veillonellales ord. nov. 2015 65 9 3203 3215 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.000347 25999592 Marchandin H. Teyssier C. Campos J. Jean-Pierre H. Roger F. Gay B. Carlier P.-P. Jumas-Bilak E. Negativicoccus succinicivorans gen. nov., sp. nov., isolated from human clinical samples, emended description of the family Veillonellaceae and description of Negativicutes classis nov., Selenomonadales ord. nov. and Acidaminococcaceae fam. nov. in the bacterial phylum Firmicutes 2010 60 6 1271 1279 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.013102-0 19667386 Oren A. Parte A. Garrity G.M. Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion 2016 66 10 4296 4298 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001319 27453056