Methylosinus (ex Wittenbury et al. 1970) Bowman et al. 1993 Methylosinus (ex Wittenbury et al. 1970) Bowman et al. 1993 Methylosinus trichosporium (ex Wittenbury et al. 1970) Bowman et al. 1993 emend. Hördt et al. 2020 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 Methylocystaceae Bowman 2006 emend. Hördt et al. 2020 Methylosinus (ex Wittenbury et al. 1970) Bowman et al. 1993 Methylocystaceae Bowman 2006 emend. Hördt et al. 2020 Pleomorphomonas Xie and Yokota 2005 Methylopila Doronina et al. 1998 Terasakiella Satomi et al. 2002 emend. Yoon and Kang 2018 Albibacter Doronina et al. 2001 emend. Yang et al. 2016 Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 emend. Belova et al. 2013 Hansschlegelia Ivanova et al. 2010 Chenggangzhangella Yang et al. 2016 Chthonobacter Kim et al. 2017 Methylosinus trichosporium (ex Wittenbury et al. 1970) Bowman et al. 1993 emend. Hördt et al. 2020 Methylosinus sporium (ex Wittenbury et al. 1970) Bowman et al. 1993 emend. Hördt et al. 2020 Bowman J.P. Sly L.I. Nichols P.D. Hayward A.C. Revised taxonomy of the methanotrophs: Description of Methylobacter gen.nov., emendation of Methylococcus, validation of Methylosinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the Group I Methanotrophs. 1993 43 4 735 753 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-4-735 Bowman J.P. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Family V. Methylocystaceae fam. nov. 2005 2, Part C 2 411 413 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Bowman J.P. Sly L.I. Nichols P.D. Hayward A.C. Revised taxonomy of the methanotrophs: Description of Methylobacter gen.nov., emendation of Methylococcus, validation of Methylosinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the Group I Methanotrophs. 1993 43 4 735 753 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-4-735 Wittenbury R. Davies S.L. Davey J.F. Exospores and cysts formed by methane-utilizing bacteria 1970 61 219 226 Journal of General Microbiology J Gen Microbiol 0022-1287