Oceanispirochaeta crateris Dubinina 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 Oceanispirochaeta Subhash and Lee 2017 Oceanispirochaeta crateris Dubinina et al. 2020 Oceanispirochaeta Subhash and Lee 2017 Oceanispirochaeta litoralis (Canale-Parola 1980) Subhash and Lee 2017 Oceanispirochaeta sediminicola Subhash and Lee 2017 Oceanispirochaeta crateris Dubinina et al. 2020 Dubinina G. Leshcheva N. Mikheeva N. Spring S. Neumann-Schaal M. Shcherbakova V. Grabovich M. Description of Oceanispirochaeta crateris sp. nov. and reclassification of Spirochaeta perfilievii as Thiospirochaeta perfilievii gen. nov., comb. nov. 2020 70 12 6373 6380 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.004544 33125316 Dubinina G. Leshcheva N. Mikheeva N. Spring S. Neumann-Schaal M. Shcherbakova V. Grabovich M. Description of Oceanispirochaeta crateris sp. nov. and reclassification of Spirochaeta perfilievii as Thiospirochaeta perfilievii gen. nov., comb. nov. 2020 70 12 6373 6380 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.004544 33125316