Methylothermaceae (Hirayama et al. 2014) Tindall 2019 non Methylothermaceae Hirayama et al. 2014 Methylothermaceae (Hirayama et al. 2014) Tindall 2019 non Methylothermaceae Hirayama et al. 2014 Methylothermus (Tsubota et al. 2005) Tindall 2019 non Methylothermus Tsubota et al. 2005 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 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Methylococcales Bowman 2005 Methylothermaceae (Hirayama et al. 2014) Tindall 2019 non Methylothermaceae Hirayama et al. 2014 Methylococcales Bowman 2005 Methylococcaceae Whittenbury and Krieg 1984 emend. Bowman et al. 1993 Methylothermaceae Hirayama et al. 2014 non Methylothermaceae Tindall 2019 Incertae sedis 415 Orata et al. 2018 Methylothermus (Tsubota et al. 2005) Tindall 2019 non Methylothermus Tsubota et al. 2005 Tindall B.J. On the nomenclatural types of Methylothermus thermalis Tsubota et al. 2005, Methylothermus Tsubota et al. 2005 and Methylothermaceae Hirayama et al. 2014, their status under the International Code of Nomenclature of Prokaryotes and valid publication of the names Methylothermus gen. nov., Methylothermus subterraneus Hirayama et al. and Methylothermaceae Hirayama et al. 2019 69 7 1890 1891 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003220 30608227 Methylothermaceae Hirayama et al. 2014 non Methylothermaceae Tindall 2019 Tindall B.J. On the nomenclatural types of Methylothermus thermalis Tsubota et al. 2005, Methylothermus Tsubota et al. 2005 and Methylothermaceae Hirayama et al. 2014, their status under the International Code of Nomenclature of Prokaryotes and valid publication of the names Methylothermus gen. nov., Methylothermus subterraneus Hirayama et al. and Methylothermaceae Hirayama et al. 2019 69 7 1890 1891 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003220 30608227