Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 emend. Belova et al. 2013 Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 emend. Belova et al. 2013 Methylocystis parvus (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 Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 emend. Belova et al. 2013 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 Methylosinus (ex Wittenbury et al. 1970) Bowman et al. 1993 Albibacter Doronina et al. 2001 emend. Yang et al. 2016 Hansschlegelia Ivanova et al. 2010 Chenggangzhangella Yang et al. 2016 Chthonobacter Kim et al. 2017 Methylocystis parvus (ex Wittenbury et al. 1970) Bowman et al. 1993 emend. Hördt et al. 2020 Methylocystis hirsuta Lindner et al. 2007 Methylocystis sp. None 2015 Methylocystis echinoides (ex Gal'chenko et al. 1977) Bowman et al. 1993 Methylocystis rosea Wartiainen et al. 2006 Methylocystis bryophila Belova et al. 2013 Methylocystis heyeri Dedysh et al. 2007 Methylocystis silviterrae Tikhonova et al. 2021 Lindner A.S. Pacheco A. Aldrich H.C. Costello Staniec A. Uz I. Hodson D.J. Methylocystis hirsuta sp. nov., a novel methanotroph isolated from a groundwater aquifer. 2007 57 8 1891 1900 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64541-0 17684277 Dedysh S.N. Belova S.E. Bodelier P.L. Smirnova K.V. Khmelenina V.N. Chidthaisong A. Trotsenko Y.A. Liesack W. Dunfield P.F. Methylocystis heyeri sp. nov., a novel type II methanotrophic bacterium possessing 'signature' fatty acids of type I methanotrophs. 2007 57 3 472 479 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64623-0 17329771 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 Wartiainen I. Hestnes A.G. McDonald I.R. Svenning M.M. Methylocystis rosea sp. nov., a novel methanotrophic bacterium from Arctic wetland soil, Svalbard, Norway (78 degrees N) 2006 56 3 541 547 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63912-0 16514024 Belova S.E. Kulichevskaya I.S. Bodelier P.L.E. Dedysh S.N. Methylocystis bryophila sp. nov., a facultatively methanotrophic bacterium from acidic Sphagnum peat, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 2013 63 3 1096 1104 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.043505-0 22707532 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 No reference is available 2015 Tikhonova E.N. Grouzdev D.S. Avtukh A.N. Kravchenko I.K. Methylocystis silviterrae sp.nov., a high-affinity methanotrophic bacterium isolated from the boreal forest soil. 2021 71 12 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.005166 34913862 Whittenbury R. Phillips K.C. Wilkinson J.F. Enrichment, isolation and some properties of methane-utilizing bacteria 1970 61 205 218 Journal of General Microbiology J Gen Microbiol 0022-1287 Dedysh S.N. Belova S.E. Bodelier P.L. Smirnova K.V. Khmelenina V.N. Chidthaisong A. Trotsenko Y.A. Liesack W. Dunfield P.F. Methylocystis heyeri sp. nov., a novel type II methanotrophic bacterium possessing 'signature' fatty acids of type I methanotrophs. 2007 57 3 472 479 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64623-0 17329771 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 Belova S.E. Kulichevskaya I.S. Bodelier P.L.E. Dedysh S.N. Methylocystis bryophila sp. nov., a facultatively methanotrophic bacterium from acidic Sphagnum peat, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993 2013 63 3 1096 1104 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.043505-0 22707532