Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020 Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Crenarchaeota (sic) Garrity and Holt 2021 Thermoproteota corrig. Garrity and Holt 2021 Thermoprotei Reysenbach 2002 Sulfolobales Stetter 1989 Sulfolobaceae Stetter 1989 Sulfuracidifex Itoh et al. 2020 Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020 Sulfuracidifex Itoh et al. 2020 Sulfuracidifex tepidarius Itoh et al. 2020 Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020 Sulfolobus metallicus Huber and Stetter 1992 Fuchs T. Huber H. Burggraf S. Stetter K.O. 16S rDNA-based phylogeny of the archeal order Sulfolobus and reclassification of Desulfurolobus ambivalens as Acidianus ambivalens comb. nov. 1996 19 1 56 60 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 10.1016/S0723-2020(96)80009-9 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 40. 1992 42 1 191 192 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-42-1-191 1736967 Itoh T. Miura T. Sakai H.D. Kato S. Ohkuma M. Takashina T. Sulfuracidifex tepidarius gen. nov., sp. nov. and transfer of Sulfolobus metallicus Huber and Stetter 1992 to the genus Sulfuracidifex as Sulfuracidifex metallicus comb. nov. 2020 70 3 1837 1842 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003981 31958046 Itoh T. Miura T. Sakai H.D. Kato S. Ohkuma M. Takashina T. Sulfuracidifex tepidarius gen. nov., sp. nov. and transfer of Sulfolobus metallicus Huber and Stetter 1992 to the genus Sulfuracidifex as Sulfuracidifex metallicus comb. nov. 2020 70 3 1837 1842 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003981 31958046 Sulfolobus metallicus Huber and Stetter 1992 Itoh T. Miura T. Sakai H.D. Kato S. Ohkuma M. Takashina T. Sulfuracidifex tepidarius gen. nov., sp. nov. and transfer of Sulfolobus metallicus Huber and Stetter 1992 to the genus Sulfuracidifex as Sulfuracidifex metallicus comb. nov. 2020 70 3 1837 1842 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003981 31958046