Hydrogenophilus islandicus Vésteinsdóttir et al. 2011 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Hydrogenophilalia Boden et al. 2017 Hydrogenophilales Garrity et al. 2006 emend. Boden et al. 2017 Hydrogenophilaceae Garrity et al. 2006 emend. Boden et al. 2017 Hydrogenophilus Hayashi et al. 1999 Hydrogenophilus islandicus Vésteinsdóttir et al. 2011 Hydrogenophilus Hayashi et al. 1999 Hydrogenophilus thermoluteolus Hayashi et al. 1999 Hydrogenophilus hirschii Stöhr et al. 2001 Hydrogenophilus thiooxidans Kawai et al. 2022 Hydrogenophilus islandicus Vésteinsdóttir et al. 2011 Vésteinsdóttir H. Reynisdóttir D.B. Örlygsson J. Hydrogenophilus islandicus sp. nov., a thermophilic hydrogen-oxidizing bacterium isolated from an Icelandic hot spring 2011 61 2 290 294 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.023572-0 20228213 Vésteinsdóttir H. Reynisdóttir D.B. Örlygsson J. Hydrogenophilus islandicus sp. nov., a thermophilic hydrogen-oxidizing bacterium isolated from an Icelandic hot spring 2011 61 2 290 294 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.023572-0 20228213