Desulfurolobus ambivalens Zillig et al. 1987 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 Acidianus (sic) Segerer et al. 1986 emend. Plumb et al. 2007 Acidijanus corrig. Segerer et al. 1986 emend. Plumb et al. 2007 Desulfurolobus ambivalens Zillig et al. 1987 Acidianus (sic) Segerer et al. 1986 emend. Plumb et al. 2007 Acidijanus corrig. Segerer et al. 1986 emend. Plumb et al. 2007 Acidianus ambivalens (Zillig et al. 1987) Fuchs et al. 1996 Desulfurolobus ambivalens Zillig et al. 1987 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 Kurosawa N. Itoh Y.H. Iwai T. Sugai A. Uda I. Kimura N. Horiuchi T. Itoh T. Sulfurisphaera ohwakuensis gen. nov., sp. nov., a novel extremely thermophilic acidophile of the order Sulfolobales. 1998 48 2 451 456 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-2-451 9731283 List Editor Validation List no. 23. Validation of the publication of new names and new combinations previously effectively published outside the IJSB. 1987 37 2 179 180 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-37-2-179 Zillig W. Yeats S. Holz J. Böck A. Rettenberger M. Gopp F. Simon G. Desulfolobus ambivalens, gen. nov., sp. nov., an autotrophic archaebacterium facultatively oxidizing or reducing sulfur 1986 8 197 203 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020