Thermovenabulaceae Parks et al. 2018 Thermovenabulaceae Parks 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 Thermoanaerobacterales (Garrity and Holt 2001) Wiegel 2010 emend. Lv et al. 2020 Thermovenabulaceae Parks et al. 2018 Thermoanaerobacterales (Garrity and Holt 2001) Wiegel 2010 emend. Lv et al. 2020 Thermoanaerobacteraceae (Garrity and Holt 2001) Wiegel 2010 Thermodesulfobiaceae Mori et al. 2004 emend. Pavan et al. 2018 Incertae sedis 56 None 2015 Incertae sedis 13 Takii et al. 2007 Caldicellulosiruptor Rainey et al. 1995 emend. Onyenwoke et al. 2006 Thermoanaerobacterium Lee et al. 1993 emend. Cann et al. 2001 Thermosediminibacter Lee et al. 2006 emend. Zhang et al. 2019 Thermovenabulum Zavarzina et al. 2002 Syntrophaceticus Westerholm et al. 2011 Rainey F. De Vos P. Garrity G. Jones D. Krieg N.R. Ludwig W. Rainey F.A. Schleifer K.H. Whitman W.B. Family III. Incertae Sedis 2009 3 2 1275 Bergey's Manual of Systematic Bacteriology Springer-Verlag New York Westerholm M. Roos S. Schnürer A. Syntrophaceticus schinkii gen. nov., sp. nov., an anaerobic, syntrophic acetate-oxidizing bacterium isolated from a mesophilic anaerobic filter 2010 309 100 104 FEMS Microbiology Letters FEMS Microbiol Lett 0378-1097 1574-6968 10.1111/j.1574-6968.2010.02023.x 20546311 Wiegel J. De Vos P. Garrity G. Jones D. Krieg N.R. Ludwig W. Rainey F.A. Schleifer K.H. Whitman W.B. Order III. Thermoanaerobacterales ord. nov. 2009 3 2 1224 Bergey's Manual of Systematic Bacteriology Springer-Verlag New York Zhang X. Tu B. Lv X.-M. Lawson P.A. Yang M. Dai L.-R. Zhang H. Tang Y.-Q. Deng Y. Cheng L. Description of Biomaibacter acetigenes gen. nov., sp. nov., and proposal of Thermosediminibacterales ord. nov. containing two novel families of Tepidanaerobacteraceae fam. nov. and Thermosediminibacteraceae fam. nov. 2019 69 12 3891 3902 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003701 31513009 Parks D.H. Chuvochina M. Waite D.W. Rinke C. Skarshewski A. Chaumeil P.-A. Hugenholtz P. A standardized bacterial taxonomy based on genome phylogeny substantially revises the tree of life. 2018 36 10 996 1004 Nature Biotechnology Nat Biotechnol 1087-0156 1546-1696 10.1038/nbt.4229 30148503 The name Tepidanaerobacteraceae originated from the invalid name proposed by Parks et al. to reduce the possibility of nomenclature confusion.