Ruminiclostridium caenicola (Shiratori et al. 2009) Yutin and Galperin 2013 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 Borkfalkiales corrig. Hildebrand et al. 2019 Comantemales (sic) Hildebrand et al. 2019 Erisaceae (sic) Hildebrand et al. 2019 Mageeibacillaceae corrig. Hildebrand et al. 2019 Ruminiclostridium Yutin and Galperin 2013 non Ruminiclostridium Zhang et al. 2018 Ruminiclostridium caenicola (Shiratori et al. 2009) Yutin and Galperin 2013 Ruminiclostridium Yutin and Galperin 2013 non Ruminiclostridium Zhang et al. 2018 Ruminiclostridium thermocellum (Viljoen et al. 1926) Yutin and Galperin 2013 Ruminiclostridium aldrichii (Yang et al. 1990) Yutin and Galperin 2013 Ruminiclostridium alkalicellulosi (Zhilina et al. 2006) Yutin and Galperin 2013 Ruminiclostridium cellobioparum (Hungate 1944) Zhang et al. 2018 Ruminiclostridium cellulolyticum (Petitdemange et al. 1984) Zhang et al. 2018 Ruminiclostridium cellulosi (He et al. 1991) Yutin and Galperin 2013 Ruminiclostridium clariflavum (Shiratori et al. 2009) Yutin and Galperin 2013 Ruminiclostridium hungatei (Monserrate et al. 2001) Zhang et al. 2018 Ruminiclostridium josui (Sukhumavasi et al. 1988) Zhang et al. 2018 Ruminiclostridium leptum (Moore et al. 1976) Yutin and Galperin 2013 Ruminiclostridium methylpentosum (Himelbloom and Canale-Parola 1989) Yutin and Galperin 2013 Ruminiclostridium papyrosolvens (Madden et al. 1982) Zhang et al. 2018 Ruminiclostridium sporosphaeroides (Soriano and Soriano 1948) Yutin and Galperin 2013 Ruminiclostridium stercorarium (Madden 1983) Yutin and Galperin 2013 Ruminiclostridium straminisolvens (Kato et al. 2004) Yutin and Galperin 2013 Ruminiclostridium sufflavum (Nishiyama et al. 2009) Zhang et al. 2018 Ruminiclostridium termitidis (Hethener et al. 1992) Yutin and Galperin 2013 Ruminiclostridium thermosuccinogenes (Drent et al. 1995) Yutin and Galperin 2013 Ruminiclostridium viride (Buckel et al. 1995) Yutin and Galperin 2013 Ruminiclostridium cellulosolvens (Murray et al. 1984) Yutin and Galperin 2013 Ruminiclostridium siraeum (Moore et al. 1976) Yutin and Galperin 2013 Thermoclostridium caenicola (Shiratori et al. 2009) Zhang et al. 2018 Clostridium caenicola Shiratori et al. 2009 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 Yutin N. Galperin M.Y. A genomic update on clostridial phylogeny: Gram-negative spore formers and other misplaced clostridia. 2013 15 10 2631 2641 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1111/1462-2920.12173 23834245