Aquabacter spiritensis Irgens et al. 1993 Aquabacter spiritensis Irgens et al. 1993 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 Alphaproteobacteria Garrity et al. 2006 Hyphomicrobiales Douglas 1957 (Approved Lists 1980) emend. Hördt et al. 2020 Xanthobacteraceae Lee et al. 2005 emend. Hördt et al. 2020 Aquabacter Irgens et al. 1993 Aquabacter spiritensis Irgens et al. 1993 Aquabacter Irgens et al. 1993 Aquabacter cavernae Duo et al. 2019 Aquabacter spiritensis Irgens et al. 1993 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 47. 1993 43 4 864 865 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-4-864 Irgens R.L. Kersters K. Segers P. Gillis M. Staley J.T. Aquabacter spiritensis, gen. nov., sp. nov., an aerobic, gasvacuolate aquatic bacterium 1991 155 137 142 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 47. 1993 43 4 864 865 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-4-864 Irgens R.L. Kersters K. Segers P. Gillis M. Staley J.T. Aquabacter spiritensis, gen. nov., sp. nov., an aerobic, gasvacuolate aquatic bacterium 1991 155 137 142 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X