Hydrogenivirga Nakagawa et al. 2004 Hydrogenivirga caldilitoris Nakagawa et al. 2004 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 Aquificaceae Reysenbach 2002 emend. Gupta and Lali 2013 Hydrogenivirga Nakagawa et al. 2004 Aquificaceae Reysenbach 2002 emend. Gupta and Lali 2013 Calderobacterium Kryukov et al. 1984 Hydrogenobaculum Stöhr et al. 2001 Thermocrinis Huber et al. 1999 Hydrogenobacter Kawasumi et al. 1984 Aquifex Huber et al. 1992 Hydrogenivirga caldilitoris Nakagawa et al. 2004 Hydrogenivirga okinawensis Nunoura et al. 2008 Hydrogenivirga sp. None 2015 Nunoura T. Miyazaki M. Yohey S. Takai K. Horikoshi K. Hydrogenivirga okinawensis sp. nov., a thermophilic sulfur-oxidizing chemolithoautotroph isolated from a deep-sea hydrothermal field, Southern Okinawa Trough. 2008 58 3 676 681 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64615-0 18319477 Nakagawa S. Nakamura S. Inagaki F. Takai K. Shirai N. Sako Y. Hydrogenivirga caldilitoris gen. nov., sp. nov., a novel extremely thermophilic, hydrogen- and sulfur-oxidizing bacterium from a coastal hydrothermal field 2004 54 6 2079 2084 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.03031-0 15545438 No reference is available 2015