Sporacetigenium mesophilum Chen et al. 2006 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 Clostridiaceae Pribram 1933 (Approved Lists 1980) emend. Spring 2021 Sporacetigenium Chen et al. 2006 Sporacetigenium mesophilum Chen et al. 2006 Sporacetigenium Chen et al. 2006 Sporacetigenium mesophilum Chen et al. 2006 Chen S. Song L. Dong X. Sporacetigenium mesophilum gen. nov., sp. nov., isolated from an anaerobic digester treating municipal solid waste and sewage 2006 56 4 721 725 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63686-0 16585683 Chen S. Song L. Dong X. Sporacetigenium mesophilum gen. nov., sp. nov., isolated from an anaerobic digester treating municipal solid waste and sewage 2006 56 4 721 725 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63686-0 16585683