Nitratiruptor Nakagawa et al. 2005 Nitratiruptor Nakagawa et al. 2005 Nitratiruptor tergarcus Nakagawa et al. 2005 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Campylobacterota Waite et al. 2021 Campylobacteria Waite et al. 2017 Campylobacterales Garrity et al. 2006 Nitratiruptoraceae Waite et al. 2020 Nitratiruptor Nakagawa et al. 2005 Nitratiruptoraceae Waite et al. 2020 Nitrosophilus Shiotani et al. 2021 Nitratiruptor tergarcus Nakagawa et al. 2005 Nitratiruptor sp. None 2015 Nitratiruptor labii Fukushi et al. 2021 Fukushi M. Mino S. Tanaka H. Nakagawa S. Takai K. Sawabe T. Biogeochemical Implications of N2O-Reducing Thermophilic Campylobacteria in Deep-Sea Vent Fields, and the Description of Nitratiruptor labii sp. nov. 2020 23 9 101462 101462 iScience iScience 2589-0042 10.1016/j.isci.2020.101462 32866828 Nakagawa S. Takai K. Inagaki F. Horikoshi K. Sako Y. Nitratiruptor tergarcus gen. nov., sp. nov. and Nitratifractor salsuginis gen. nov., sp. nov., nitrate-reducing chemolithoautotrophs of the epsilon-Proteobacteria isolated from a deep-sea hydrothermal system in the Mid-Okinawa Trough. 2005 55 2 925 933 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63480-0 15774687 Waite D.W. Vanwonterghem I. Rinke C. Parks D.H. Zhang Y. Takai K. Sievert S.M. Simon J. Campbell B.J. Hanson T.E. Woyke T. Klotz M.G. Hugenholtz P. Comparative Genomic Analysis of the Class Epsilonproteobacteria and Proposed Reclassification to Epsilonbacteraeota (phyl. nov.). 2017 8 682 682 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2017.00682 28484436 No reference is available 2015 Nakagawa S. Takai K. Inagaki F. Horikoshi K. Sako Y. Nitratiruptor tergarcus gen. nov., sp. nov. and Nitratifractor salsuginis gen. nov., sp. nov., nitrate-reducing chemolithoautotrophs of the epsilon-Proteobacteria isolated from a deep-sea hydrothermal system in the Mid-Okinawa Trough. 2005 55 2 925 933 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63480-0 15774687 This taxon was not designated as a member of any higher taxon by the original authors. However, the nearest phylogenetic neighbors are all members of the family Nautiliaceae