Aquabacter Irgens et al. 1993 Aquabacter 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 Xanthobacteraceae Lee et al. 2005 emend. Hördt et al. 2020 Pseudolabrys Kämpfer et al. 2006 emend. Jung et al. 2022 Pseudoxanthobacter Arun et al. 2008 Xanthobacter Wiegel et al. 1978 (Approved Lists 1980) Methylorhabdus Doronina et al. 1996 Microcyclus Ørskov 1928 (Approved Lists 1980) Angulomicrobium Vasil'eva et al. 1986 Ancylobacter Raj 1983 Azorhizobium Dreyfus et al. 1988 emend. Lang et al. 2013 Labrys Vasilyeva and Semenov 1985 emend. Albert et al. 2010 Starkeya Kelly et al. 2000 Aquabacter spiritensis Irgens et al. 1993 Aquabacter cavernae Duo et al. 2019 Garrity G.M. Bell J.A. Lilburn T. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Family VIII. Hyphomicrobiaceae fam. nov. 2005 2, Part C 2 476 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Duo J.-L. Cha Q.-Y. Zhou X.-K. Zhang T.-K. Qin S.-C. Yang P.-X. Zhu M.-L. Mo M.H. Duan Y.-Q. Aquabacter cavernae sp. nov., a bacterium isolated from cave soil. 2019 69 12 3716 3722 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003585 31592754 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 Hördt A. García-López M. Meier-Kolthoff J.P. Tindall B.J. Weinhold L.-M. Gronow S. Kyrpides N. Woyke T. Schleuning M. Göker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria 2020 11 468 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2020.00468 32373076 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