Thermosulfidibacter Nunoura et al. 2008 Thermosulfidibacter Nunoura et al. 2008 Thermosulfidibacter takaii Nunoura et al. 2008 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Aquificota corrig. Reysenbach 2021 Aquificae (sic) Reysenbach 2021 non Aquificae Reysenbach 2002 Aquificae Reysenbach 2002 emend. Gupta and Lali 2013 non Aquificae Reysenbach 2021 Aquificales Reysenbach 2002 emend. Gupta and Lali 2013 Incertae sedis 15 None 2015 Thermosulfidibacter Nunoura et al. 2008 Incertae sedis 15 None 2015 Thermosulfidibacter takaii Nunoura et al. 2008 Nunoura T. Oida H. Miyazaki M. Suzuki Y. Thermosulfidibacter takaii gen. nov., sp. nov., a thermophilic, hydrogen-oxidizing, sulfur-reducing chemolithoautotroph isolated from a deep-sea hydrothermal field in the Southern Okinawa Trough. 2008 58 3 659 665 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65349-0 18319474 The authors (Nonoura et al. 2008, rid.8722) place the genus Thermosulfidibacter within the phylum Aquificae. Intermediate taxa are not designated. Nunoura T. Oida H. Miyazaki M. Suzuki Y. Thermosulfidibacter takaii gen. nov., sp. nov., a thermophilic, hydrogen-oxidizing, sulfur-reducing chemolithoautotroph isolated from a deep-sea hydrothermal field in the Southern Okinawa Trough. 2008 58 3 659 665 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65349-0 18319474 rid.8722: Accordingly, the genus Thermosulfidibacter does not seem to belong to either of the families Desulfurobacteriaceae or Thermodesulfobacteriaceae, but probably represents a novel family; the genus Thermosulfidibacter and the families Desulfurobacteriaceae and Thermodesulfobacteriaceae have the potential of forming a novel order in the phylum Aquificae