Prosthecomicrobium pneumaticum Staley 1968 (Approved Lists 1980) 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 Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980) emend. Hördt et al. 2020 Prosthecomicrobium Staley 1968 (Approved Lists 1980) emend. Yee et al. 2010 Prosthecomicrobium pneumaticum Staley 1968 (Approved Lists 1980) Prosthecomicrobium Staley 1968 (Approved Lists 1980) emend. Yee et al. 2010 Prosthecomicrobium consociatum Vasil'eva et al. 2009 Prosthecomicrobium enhydrum Staley 1968 (Approved Lists 1980) Prosthecomicrobium hirschii Staley 1984 emend. Hördt et al. 2020 Prosthecomicrobium litoralum Bauld et al. 1983 Prosthecomicrobium mishustinii Vasil'eva et al. 2009 Prosthecomicrobium pneumaticum Staley 1968 (Approved Lists 1980) Skerman V.B.D. McGowan V. Sneath P.H.A. Approved Lists of Bacterial Names 1980 30 1 225 420 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-225 Staley J.T. Prosthecomicrobium and Ancalomicrobium: new prosthecate freshwater bacteria 1968 95 1921 1942 Journal of Bacteriology J Bacteriol 0021-9193 1098-5530 4870285