Propionibacter Meijer et al. 1999 Propionibacter pelophilus Meijer et al. 1999 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 Rhodocyclales Garrity et al. 2006 Rhodocyclaceae Garrity et al. 2006 emend. Boden et al. 2017 Propionibacter Meijer et al. 1999 Rhodocyclaceae Garrity et al. 2006 emend. Boden et al. 2017 Azovibrio Reinhold-Hurek and Hurek 2000 Denitratisoma Fahrbach et al. 2006 Propionivibrio Tanaka et al. 1991 emend. Brune et al. 2002 Quatrionicoccus (Maszenan et al. 2002) Tindall and Euzéby 2006 Sterolibacterium Tarlera and Denner 2003 Rhodocyclus Pfennig 1978 (Approved Lists 1980) emend. Imhoff et al. 1984 Methyloversatilis Kalyuzhnaya et al. 2006 Quadricoccus Maszenan et al. 2002 Uliginosibacterium Weon et al. 2008 emend. Kang et al. 2017 Georgfuchsia Weelink et al. 2011 Sulfuritalea Kojima and Fukui 2011 Sulfurisoma Kojima and Fukui 2014 Niveibacterium Chun et al. 2016 Oryzomicrobium Liu et al. 2017 Rugosibacter Corteselli et al. 2017 Azonexus Reinhold-Hurek and Hurek 2000 Ferribacterium Cummings et al. 2000 Thauera Macy et al. 1993 emend. Yin et al. 2017 Dechlorosoma Achenbach et al. 2001 Zoogloea Itzigsohn 1868 (Approved Lists 1980) emend. Dahal et al. 2020 Azoarcus Reinhold-Hurek et al. 1993 emend. Fu et al. 2019 Dechloromonas Achenbach et al. 2001 Azospira Reinhold-Hurek and Hurek 2000 emend. Bae et al. 2007 Dechlorobacter Thrash et al. 2010 Accumulibacter Hesselmann et al. 1999 Aromatoleum Rabus et al. 2019 Propionibacter pelophilus Meijer et al. 1999 Garrity G.M. Bell J.A. Lilburn T.G. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Family I. Rhodocyclaceae fam. nov. 2005 2, Part C 2 887 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Meijer W.G. Nienhuis-Kuiper M.E. Hansen T.A. Fermentative bacteria from estuarine mud: phylogenetic position of Acidaminobacter hydrogenoformans and description of a new type of gram-negative, propionigenic bacterium as Propionibacter pelophilus gen. nov., sp. nov. 1999 49 3 1039 1044 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-3-1039 10425761