Hydrogenobacter hydrogenophilus (Kryukov et al. 1984) Stöhr et al. 2001 Hydrogenobacter hydrogenophilus (Kryukov et al. 1984) Stöhr et al. 2001 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 Hydrogenobacter Kawasumi et al. 1984 Hydrogenobacter hydrogenophilus (Kryukov et al. 1984) Stöhr et al. 2001 Hydrogenobacter Kawasumi et al. 1984 Hydrogenobacter thermophilus Kawasumi et al. 1984 Hydrogenobacter subterraneus Takai et al. 2001 Hydrogenobacter acidophilus Shima and Suzuki 1993 Hydrogenobacter hydrogenophilus (Kryukov et al. 1984) Stöhr et al. 2001 Calderobacterium hydrogenophilum Kryukov et al. 1984 Pitulle C. Yang Y. Marchiani M. Moore E.R. Siefert J.L. Aragno M. Jurtshuk P. Fox G.E. Phylogenetic position of the genus Hydrogenobacter. 1994 44 4 620 626 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-44-4-620 7981093 Stöhr R. Waberski A. Völker H. Tindall B.J. Thomm M. Hydrogenothermus marinus gen. nov., sp. nov., a novel thermophilic hydrogen-oxidizing bacterium, recognition of Calderobacterium hydrogenophilum as a member of the genus Hydrogenobacter and proposal of the reclassification of Hydrogenobacter acidophilus as Hydrogenobaculum acidophilum gen. nov., comb. nov., in the phylum 'Hydrogenobacter/Aquifex'. 2001 51 5 1853 1862 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-51-5-1853 11594618 Stöhr R. Waberski A. Völker H. Tindall B.J. Thomm M. Hydrogenothermus marinus gen. nov., sp. nov., a novel thermophilic hydrogen-oxidizing bacterium, recognition of Calderobacterium hydrogenophilum as a member of the genus Hydrogenobacter and proposal of the reclassification of Hydrogenobacter acidophilus as Hydrogenobaculum acidophilum gen. nov., comb. nov., in the phylum 'Hydrogenobacter/Aquifex'. 2001 51 5 1853 1862 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-51-5-1853 11594618 Calderobacterium hydrogenophilum Kryukov et al. 1984 Stöhr R. Waberski A. Völker H. Tindall B.J. Thomm M. Hydrogenothermus marinus gen. nov., sp. nov., a novel thermophilic hydrogen-oxidizing bacterium, recognition of Calderobacterium hydrogenophilum as a member of the genus Hydrogenobacter and proposal of the reclassification of Hydrogenobacter acidophilus as Hydrogenobaculum acidophilum gen. nov., comb. nov., in the phylum 'Hydrogenobacter/Aquifex'. 2001 51 5 1853 1862 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-51-5-1853 11594618 This name is illegitimate due to the genus Calderobacterium having priority over Hydrogenobacter.