Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Burkholderiales Garrity et al. 2006 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 Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Deltaproteobacteria Kuever et al. 2006 emend. Hahn et al. 2017 Alphaproteobacteria Garrity et al. 2006 Epsilonproteobacteria Garrity et al. 2006 Zetaproteobacteria (sic) Makita et al. 2017 Mariprofundia corrig. Makita et al. 2017 Acidithiobacillia Williams and Kelly 2013 Oligoflexia Nakai et al. 2014 emend. Waite et al. 2020 Hydrogenophilalia Boden et al. 2017 Deltabacteria Cavalier-Smith 2002 Procabacteriales (sic) Garrity et al. 2003 Procaibacteriales corrig. Garrity et al. 2003 Methylophilales Garrity et al. 2006 Incertae sedis 138 None 2015 Burkholderiales Garrity et al. 2006 Neisseriales Tønjum 2006 emend. Chen et al. 2021 Hydrogenophilales Garrity et al. 2006 emend. Boden et al. 2017 Nitrosomonadales Garrity et al. 2006 emend. Boden et al. 2017 Sulfuricellales Watanabe et al. 2015 Incertae sedis 94 None 2015 Rhodocyclales Garrity et al. 2006 Incertae sedis 364 McCutcheon and Moran 2010 Incertae sedis 231 Toenshoff et al. 2012 Incertae sedis 238 Thao et al. 2002 Incertae sedis 366 Toenshoff et al. 2012 Incertae sedis 291 Du et al. 1994 Incertae sedis 322 Alawi et al. 2007 Incertae sedis 350 Gonella et al. 2011 Incertae sedis 442 Nakabachi et al. 2013 Incertae sedis 495 Ramírez-Puebla et al. 2010 Incertae sedis 574 Song et al. 2020 Nakabachi A. Ueoka R. Oshima K. Teta R. Mangoni A. 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Reclassification of Thiobacillus aquaesulis (Wood & Kelly, 1995) as Annwoodia aquaesulis gen. nov., comb. nov., transfer of Thiobacillus (Beijerinck, 1904) from the Hydrogenophilales to the Nitrosomonadales, proposal of Hydrogenophilalia class. nov. within the ‘Proteobacteria’, and four new families within the orders Nitrosomonadales and Rhodocyclales 2017 67 5 1191 1205 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001927 28581923 Garrity G.M. Bell J.A. Lilburn T. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Class II. Betaproteobacteria class. nov. 2005 2, Part C 2 575 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Oren A. Parte A. Garrity G.M. Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion 2016 66 10 4296 4298 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001319 27453056