Thermoanaerobacterium calidifontis Shang et al. 2013 Thermoanaerobacterium calidifontis Shang et al. 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 Thermoanaerobacterales (Garrity and Holt 2001) Wiegel 2010 emend. Lv et al. 2020 Thermovenabulaceae Parks et al. 2018 Thermoanaerobacterium Lee et al. 1993 emend. Cann et al. 2001 Thermoanaerobacterium calidifontis Shang et al. 2013 Thermoanaerobacterium Lee et al. 1993 emend. Cann et al. 2001 Thermoanaerobacterium aotearoense Liu et al. 1996 Thermoanaerobacterium thermosaccharolyticum (McClung 1935) Collins et al. 1994 Thermoanaerobacterium xylanolyticum Lee et al. 1993 Thermoanaerobacterium saccharolyticum Lee et al. 1993 Thermoanaerobacterium polysaccharolyticum Cann et al. 2001 Thermoanaerobacterium zeae Cann et al. 2001 Thermoanaerobacterium aciditolerans Kublanov et al. 2007 Thermoanaerobacterium thermosulfurigenes (Schink and Zeikus 1983) Lee et al. 1993 Thermoanaerobacterium thermostercoris corrig. Romano et al. 2011 Thermoanaerobacterium thermostercus (sic) Romano et al. 2011 Thermoanaerobacterium butyriciformans López et al. 2019 Thermoanaerobacterium calidifontis Shang et al. 2013 Shang S.-m. Qian L. Zhang X. Li K.-z. Chagan I. Themoanaerobacterium calidifontis sp. nov., a novel anaerobic, thermophilic, ethanol‑producing bacterium from hot springs in China 2013 195 439 445 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s00203-013-0895-5 23661196 Shang S.-m. Qian L. Zhang X. Li K.-z. Chagan I. Themoanaerobacterium calidifontis sp. nov., a novel anaerobic, thermophilic, ethanol‑producing bacterium from hot springs in China 2013 195 439 445 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s00203-013-0895-5 23661196 Shang S.-m. Qian L. Zhang X. Li K.-z. Chagan I. Themoanaerobacterium calidifontis sp. nov., a novel anaerobic, thermophilic, ethanol‑producing bacterium from hot springs in China 2013 195 439 445 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s00203-013-0895-5 23661196