Spirochaeta aurantia stricta Canale-Parola 1984 Spirochaeta aurantia stricta Canale-Parola 1984 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 Spirochaeta Ehrenberg 1835 (Approved Lists 1980) emend. Shivani et al. 2015 Spirochaeta aurantia (ex Vinzent 1926) Canale-Parola 1980 Spirochaeta aurantia stricta Canale-Parola 1984 Spirochaeta aurantia (ex Vinzent 1926) Canale-Parola 1980 Spirochaeta aurantia aurantia (ex Vinzent 1926) Canale-Parola 1980 Spirochaeta aurantia stricta Canale-Parola 1984 List Editor Validation List no. 15. Validation of the publication of new names and new combinations previously effectively published outside the IJSB 1984 34 3 355 357 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-34-3-355 Note: Verified that there is no sequence data available (May 1, 2018). This strain may be lost. Canale-Parola E. Holt J.G. Genus I. Spirochaeta Ehrenberg 1835, 313 AL 1984 1 1 39 46 Bergey's Manual of Systematic Bacteriology The Williams and Wilkins Co. Baltimore List Editor Validation List no. 15. Validation of the publication of new names and new combinations previously effectively published outside the IJSB 1984 34 3 355 357 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-34-3-355 Canale-Parola E. Holt J.G. Genus I. Spirochaeta Ehrenberg 1835, 313 AL 1984 1 1 39 46 Bergey's Manual of Systematic Bacteriology The Williams and Wilkins Co. Baltimore