Oligotropha Meyer et al. 1994 Oligotropha carboxidovorans (ex Meyer and Schlegel 1978) Meyer et al. 1994 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 Nitrobacteraceae Buchanan 1917 (Approved Lists 1980) emend. Hördt et al. 2020 Oligotropha Meyer et al. 1994 Nitrobacteraceae Buchanan 1917 (Approved Lists 1980) emend. Hördt et al. 2020 Balneomonas (sic) Takeda et al. 2004 Balneimonas corrig. Takeda et al. 2004 Afipia Brenner et al. 1992 emend. La Scola et al. 2002 Blastobacter Zavarzin 1961 (Approved Lists 1980) emend. Sly 1985 Agromonas Ohta and Hattori 1985 Bosea Das et al. 1996 emend. La Scola et al. 2003 Rhodopseudomonas Czurda and Maresch 1937 (Approved Lists 1980) emend. Imhoff et al. 1984 Bradyrhizobium Jordan 1982 Salinarimonas Liu et al. 2010 Tardiphaga De Meyer et al. 2012 Variibacter Kim et al. 2014 Metalliresistens Noisangiam et al. 2010 Nitrobacter Winogradsky 1892 emend. Watson 1974 (Approved Lists 1980) Seliberia Aristovskaya and Parinkina 1963 emend. Aristovskaya 1974 (Approved Lists 1980) Oligotropha carboxidovorans (ex Meyer and Schlegel 1978) Meyer et al. 1994 Meyer O. Stackebrandt E. Auling G. Reclassification of ubiquinone Q-10 containing carbooxidotrophic bacteria: transfer of [Pseudomonas] carboxdovorans OM5 to Oligotropha, gen. nov., as Oligotropha carboxidovorans, comb. nov., transfer of [Alcaligenes] carboxydus DSM 1086 to Carbophilus, gen. nov., as Carbophilus carboxidus, comb. nov., transfer of [Pseudomonas] compransoris DSM 1231 to Zavarzinia, gen. nov., as Zavarzinia compransoris, comb. nov., amended description of the new genera 1993 16 390 395 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 Lee K.B. Liu C.T. Anzai Y. Kim H. Aono T. Oyaizu H. The hierarchical system of the 'Alphaproteobacteria': description of Hyphomonadaceae fam. nov., Xanthobacteraceae fam. nov. and Erythrobacteraceae fam. nov. 2005 55 5 1907 1919 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63663-0 16166687