Alkalispirochaeta Sravanthi et al. 2016 Alkalispirochaeta Sravanthi et al. 2016 Alkalispirochaeta alkalica (Zhilina et al. 1996) Sravanthi et al. 2016 emend. Hördt et al. 2020 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Spirochaetota corrig. Garrity and Holt 2021 Spirochaetes (sic) Garrity and Holt 2021 non Spirochaetes Cavalier-Smith 2002 Spirochaetia (Cavalier-Smith 2002) Paster 2020 Spirochaetales Buchanan 1917 (Approved Lists 1980) emend. Hördt et al. 2020 Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980) emend. Hördt et al. 2020 Alkalispirochaeta Sravanthi et al. 2016 Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980) emend. Hördt et al. 2020 Hollandina (ex To and Margulis 1978) Bermudes et al. 1988 Treponema Schaudinn 1905 (Approved Lists 1980) emend. Abt et al. 2013 Sphaerochaeta Ritalahti et al. 2012 emend. Bidzhieva et al. 2020 Salinispira Ben Hania et al. 2015 Marispirochaeta Shivani et al. 2017 Sediminispirochaeta Shivani et al. 2016 Pleomorphochaeta Arroua et al. 2017 Saprospira Gross 1911 emend. Lewin and Leadbetter 1974 (Approved Lists 1980) Clevelandina Bermudes et al. 1988 Diplocalyx (Gharagozlou 1968) Bermudes et al. 1988 Pillotina (ex Hollande and Gharagozlou 1967) Bermudes et al. 1988 Borrelia Swellengrebel 1907 (Approved Lists 1980) emend. Margos et al. 2018 Leptospira Noguchi 1917 (Approved Lists 1980) emend. Faine and Stallman 1982 Spirochaeta Ehrenberg 1835 (Approved Lists 1980) emend. Shivani et al. 2015 Cristispira Gross 1910 emend. Kuhn 1974 (Approved Lists 1980) Rectinema Koelschbach et al. 2017 Oceanispirochaeta Subhash and Lee 2017 Spironema (sic) Sikutová et al. 2010 Allospironema corrig. Sikutová et al. 2010 Thiospirochaeta Dubinina et al. 2020 Bullifex Wylensek et al. 2021 Alkalispirochaeta cellulosivorans Sravanthi et al. 2016 Alkalispirochaeta alkalica (Zhilina et al. 1996) Sravanthi et al. 2016 emend. Hördt et al. 2020 Alkalispirochaeta sphaeroplastigenens (Vishnuvardhan Reddy et al. 2013) Sravanthi et al. 2016 emend. Hördt et al. 2020 Alkalispirochaeta americana (Hoover et al. 2003) Sravanthi et al. 2016 emend. Hördt et al. 2020 Alkalispirochaeta odontotermitis (Sravanthi et al. 2015) Sravanthi et al. 2016 Sravanthi T. Tushar L. Sasikala Ch. Ramana Ch.V. Alkalispirochaeta cellulosivorans gen. nov., sp. nov., a cellulose-hydrolysing, alkaliphilic, halotolerant bacterium isolated from the gut of a wood-eating cockroach (Cryptocercus punctulatus), and reclassification of four species of Spirochaeta as new combinations within Alkalispirochaeta gen. nov. 2016 66 4 1612 1619 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.000865 26704619 Sravanthi T. Tushar L. Sasikala Ch. Ramana Ch.V. Alkalispirochaeta cellulosivorans gen. nov., sp. nov., a cellulose-hydrolysing, alkaliphilic, halotolerant bacterium isolated from the gut of a wood-eating cockroach (Cryptocercus punctulatus), and reclassification of four species of Spirochaeta as new combinations within Alkalispirochaeta gen. nov. 2016 66 4 1612 1619 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.000865 26704619