Ktedobacteria (sic) Cavaletti et al. 2007 emend. Yabe et al. 2010 Ktedonobacteria corrig. Cavaletti et al. 2007 emend. Yabe et al. 2010 Ktedonobacterales corrig. Cavaletti et al. 2007 emend. Yabe et al. 2021 Ktedobacterales (sic) Cavaletti et al. 2007 emend. Yabe et al. 2021 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Chloroflexi (sic) Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 non Chloroflexi Gupta et al. 2013 Chloroflexota corrig. Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 Ktedobacteria (sic) Cavaletti et al. 2007 emend. Yabe et al. 2010 Ktedonobacteria corrig. Cavaletti et al. 2007 emend. Yabe et al. 2010 Chloroflexi (sic) Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 non Chloroflexi Gupta et al. 2013 Chloroflexota corrig. Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 Anaerolineae Yamada et al. 2006 Caldilineae Yamada et al. 2006 Chloroflexia corrig. Gupta et al. 2013 Chloroflexi (sic) Gupta et al. 2013 non Chloroflexi Garrity and Holt 2021 Thermomicrobia Garrity and Holt 2002 emend. Hugenholtz and Stackebrandt 2004 non Thermomicrobia Garrity and Holt 2021 Dehalococcoidetes Hugenholtz and Stackebrandt 2004 Dehalococcoidia Löffler et al. 2013 Ardenticatenia Kawaichi et al. 2013 Thermoflexia Dodsworth et al. 2014 Thermofonseae (sic) Ward et al. 2017 Thermofontia corrig. Ward et al. 2017 Thermofonsia (sic) Ward et al. 2017 Limnocylindria Mehrshad et al. 2018 Umbricyclopia Mehrshad et al. 2018 Bathosphaeria Mehrshad et al. 2018 Tepidiformia Kochetkova et al. 2020 Incertae sedis 593 Nierychlo et al. 2019 Incertae sedis 705 Spieck et al. 2020 Incertae sedis 708 Spieck et al. 2020 Incertae sedis 711 Spieck et al. 2020 Ktedonobacterales corrig. Cavaletti et al. 2007 emend. Yabe et al. 2021 Ktedobacterales (sic) Cavaletti et al. 2007 emend. Yabe et al. 2021 Thermogemmatisporales Yabe et al. 2011 Yabe S. Aiba Y. Sakai Y. Hazaka M. Yokota A. Thermosporothrix hazakensis gen. nov., sp. nov., isolated from compost and description of Thermosporotrichaceae fam. nov. within the class Ktedonobacteria 2010 60 8 1794 1801 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.018069-0 19767365 Cavaletti L. Monciardini P. Bamonte R. Schumann P. Rohde M. Sosio M. Donadio S. New lineage of filamentous, spore-forming, gram-positive bacteria from soil 2006 72 4360 4369 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.00132-06 16751552 Yabe S. Aiba Y. Sakai Y. Hazaka M. Yokota A. Thermogemmatispora onikobensis gen. nov., sp. nov. and Thermogemmatispora foliorum sp. nov., isolated from fallen leaves on geothermal soils, and description of Thermogemmatisporaceae fam. nov. and Thermogemmatisporales ord. nov. within the class Ktedonobacteria 2011 61 4 903 910 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.024877-0 20495028 Might be in the phylum Chloroflexi, but authors (Cavaletti et al. 2006, rid.5276) are not certain and do not propose an actual placement.