Aquifex Huber et al. 1992 Aquifex pyrophilus Huber et al. 1992 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 Aquifex Huber et al. 1992 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 Hydrogenivirga Nakagawa et al. 2004 Aquifex pyrophilus Huber et al. 1992 Aquifex sp. None 2015 Aquifex aeolicus Huber and Stetter 2001 Huber H. Stetter K.O. Garrity G.M. Boone D.R. Castenholz R.W. Genus I. Aquifex Huber and Stetter 1992e, 656VP 2001 1 2 360 362 Bergey's Manual of Systematic Bacteriology Springer New York Huber R. Wilharm T. Huber D. Trincone A. Burggraf S. König H. Rachel R. Rockinger I. Fricke H. Stetter K.O. Aquifex pyrophilus gen. nov. sp. nov., represents a novel group of marine hyperthermophilic hydrogen-oxidizing bacterium. 1992 15 340 351 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 No reference is available 2015