Thermoclostridium caenicola (Shiratori et al. 2009) Zhang et al. 2018 Thermoclostridium caenicola (Shiratori et al. 2009) Zhang et al. 2018 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 Thermoclostridium Zhang et al. 2018 Thermoclostridium caenicola (Shiratori et al. 2009) Zhang et al. 2018 Thermoclostridium Zhang et al. 2018 Thermoclostridium stercorarium (Madden 1983) Zhang et al. 2018 Clostridium caenicola Shiratori et al. 2009 Thermoclostridium caenicola (Shiratori et al. 2009) Zhang et al. 2018 Ruminiclostridium caenicola (Shiratori et al. 2009) Yutin and Galperin 2013 Shiratori H. Sasaya K. Ohiwa H. Ikeno H. Ayame S. Kataoka N. Miya A. Beppu T. Ueda K. Clostridium clariflavum sp. nov. and Clostridium caenicola sp. nov., moderately thermophilic, cellulose-/cellobiose-digesting bacteria isolated from methanogenic sludge 2009 59 7 1764 1770 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.003483-0 19542130 Zhang X. Tu B. Dai L.-R. Lawson P.A. Zheng Z.-Z. Liu L.-Y. Deng Y. Zhang H. Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. 2018 68 10 3197 3211 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002966 30124399 Zhang X. Tu B. Dai L.-R. Lawson P.A. Zheng Z.-Z. Liu L.-Y. Deng Y. Zhang H. Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. 2018 68 10 3197 3211 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002966 30124399 Clostridium caenicola Shiratori et al. 2009 Zhang X. Tu B. Dai L.-R. Lawson P.A. Zheng Z.-Z. Liu L.-Y. Deng Y. Zhang H. Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. 2018 68 10 3197 3211 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002966 30124399